DUOYI Refrigerant Leak Detector – 6 Sens Review – Pros & Cons – DUOYI Refrigerant Leak Detector

The DUOYI Refrigerant Leak Detector is a real lifesaver. It helps find leaky refrigerants fast. This detector is like a bloodhound for leaks. It sniffs out all halogen refrigerants. These include R134a, R404a, and R410A. It also finds CFCs, HCFCs, and HFCs. This makes it super versatile. Furthermore, it works for HVAC and AC units. You get an AC leak detector kit. The DUOYI Refrigerant Leak Detector – 6 Sens is truly effective. It offers six adjustable sensitivity levels. This means you can pinpoint tiny leaks. You can also find larger ones easily. Therefore, it’s perfect for different situations. This device is incredibly user-friendly.

This freon leak detector is a must-have tool. Imagine a tiny hole in a bike tire. You hear the air escape. But you cannot see it. This detector is like a special magnifying glass. It helps you see that invisible leak. Moreover, it saves you money. Leaking refrigerant wastes energy. It also harms the environment. So, fixing leaks quickly is important. This detector helps you do just that. Consequently, it’s a smart investment. The DUOYI Refrigerant Leak Detector – 6 Sens is reliable. Its accuracy is impressive. Furthermore, it’s built to last. You can depend on it for years.

In conclusion, this refrigerant leak detector is excellent. It simplifies a complex task. Identifying refrigerant leaks is crucial. It keeps your systems running well. Plus, it protects the planet. The DUOYI Refrigerant Leak Detector – 6 Sens is highly recommended. It’s an essential tool for technicians. It’s also great for home users. Ultimately, it gives you peace of mind. Therefore, if you need to find leaks, look no further. This detector is your answer.

FEATURES:
– Detects all halogen refrigerants
– Six adjustable sensitivities
– Detects R134a
– Detects R404a
– Detects R410A
– Works with CFCs
– Works with HCFCs
– Works with HFCs
– Includes AC leak detector kit
– HVAC compatible

The DUOYI Refrigerant Leak Detector is a tool that helps find leaks in air conditioning and refrigeration systems. It can find all types of halogen refrigerants, which are common chemicals used in these systems. This detector has six different sensitivity levels, so you can adjust how easily it finds a leak. It works with many common refrigerants like R134a, R404a, and R410A, and also older types like CFCs, HCFCs, and newer HFCs. It comes with an AC leak detector kit and is compatible with HVAC systems, making it a useful tool for finding refrigerant leaks.

PROS:
– Helped find a leak
– Worked great
– Within minutes knew leak location
– Easy to use
– Seems very well made
– Perfectly matches description
– Extremely satisfied
– Definitely deserves five-star rating
– Would purchase again
– Works very well

CONS:
– Stopped working properly after a short time
– Indicates leaks when there are none
– Beeps continuously even in open air
– Doesn’t detect small leaks
– Might only work for large leaks

The DUOYI Refrigerant Leak Detector generally helps users find leaks quickly and easily. Many found it well-made, accurate for larger leaks, and a good purchase. However, some users reported that the device stopped working correctly after a short time, giving false alarms or failing to detect smaller leaks. Read more…

HVAC Leak Detector Power and Battery Indicators

HVAC Leak Detector Power and Battery Indicators

This image shows how the DUOYI HVAC Leak Detector indicates its power level and battery status. A series of lights (green, orange, and red) show the constant power. Green means good power. Orange means the power is getting lower. Red means the power is low. The detector also shows if the battery is low, okay, or needs to be replaced. These clear indicators help you know when the device is ready to use or needs attention.


DUOYI Freon Leak Detector: Your Simple Guide to Finding Leaks

DUOYI Freon Leak Detector: Your Simple Guide to Finding Leaks

This image shows the DUOYI Freon Leak Detector. It is a bright orange tool with a flexible black probe. The detector helps find leaks of common refrigerants. It has a sensitive sensor that can be adjusted. This tool beeps and lights up when it finds a leak. It also has a button to check the battery. The detector has a special computer chip inside for accuracy. The probe is 14 inches long and made of stainless steel.


DUOYI Refrigerant Leak Detector: Your Go-To for Halogen Leaks

DUOYI Refrigerant Leak Detector: Your Go-To for Halogen Leaks

This image shows how the DUOYI Refrigerant Leak Detector can find leaks in many types of refrigerants. These include common ones like CFCs, HCFCs, HFCs, and special blends. The detector is also good for finding leaks in other systems, like those used for storing refrigerants. It can even detect SF-6 gas in electrical equipment and Halon gas in fire extinguishers. Plus, it finds most gases with chlorine, fluorine, and bromine, and even cleaning agents.


Adjustable Sensitivity for DUOYI AC Leak Detector

Adjustable Sensitivity for DUOYI AC Leak Detector

The DUOYI AC Leak Detector helps find refrigerant leaks. It has 6 levels of sensitivity. You can make it more sensitive to find small leaks. You can make it less sensitive for bigger leaks. This helps you find leaks in different places. The image shows how to adjust the sensitivity using “SENS UP” and “SENS DOWN” buttons. Each level is shown, from Level 1 to Level 6.


DUOYI Refrigerant Leak Detector Kit

DUOYI Refrigerant Leak Detector Kit

This image shows a DUOYI Refrigerant Leak Detector, a tool used to find leaks in air conditioners or refrigerators. The main part is an orange handheld device with a flexible black probe. It has buttons for turning it on and off, testing the battery, and adjusting its sensitivity. The picture also includes two orange cap-like accessories, two D-cell batteries, and a blue carrying case. Inside the case, the detector, its parts, and an instruction manual are neatly packed. This kit helps people find tiny refrigerant leaks easily.


DUOYI Refrigerant Leak Detector: Smart Features for Easy Use

DUOYI Refrigerant Leak Detector: Smart Features for Easy Use

This image shows the DUOYI Refrigerant Leak Detector, highlighting two key features. It has an automatic circuit/reset function. This helps users find leaks accurately and avoids false alarms. The reset function also helps find the exact source of a leak. The device also includes a battery test function. When you press the battery test button, a red light shows the battery’s true power. This helps you know when to charge or replace the battery.


DUOYI Freon Leak Detector: Smart Features for Easy Use

DUOYI Freon Leak Detector: Smart Features for Easy Use

This image shows two key features of the DUOYI Freon Leak Detector. On the left, it explains that the device saves power. If no one uses it for about 10 minutes after turning it on, it will automatically shut off. On the right, it highlights the alarm system. When the detector finds refrigerant, it makes a sound and a light turns on. This helps users quickly find leaks of halogens like Freon.


Efficient Refrigerant Leak Detection with Flexible Probe and Clear Alarms

Efficient Refrigerant Leak Detection with Flexible Probe and Clear Alarms

This image shows key features of a DUOYI AC Leak Detector, designed for refrigerants like R134a and R404a. It has a 14-inch flexible stainless steel probe. This probe helps find leaks in tight spots. The detector also has a high-sensitivity sensor. This sensor provides quick and instant responses. It uses six alarm levels to show the leak’s size. As the alarm level goes up, it means you are getting closer to the leak source. This helps you find the exact spot where the refrigerant is escaping.


DUOYI Refrigerant Leak Detector: Easy to Use and Carry

DUOYI Refrigerant Leak Detector: Easy to Use and Carry

This image shows the key features of the DUOYI Refrigerant Leak Detector. The handle has a comfortable rubber grip. It has easy-to-use buttons for controls like on/off, battery test, and sensitivity adjustments. The detector comes with two “C” cell batteries, so you don’t need to buy them separately. It also includes a strong blue case for safe storage and easy carrying.


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Best Duoyi Refrigerant Leak Detector 6 Sens Deals

SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD201 Refrigerant&Combustible Gas Detector)

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Key Features

  • ✅ RECHARGEABLE LITHIUM BATTERY: Enjoy the convenience of cordless operation with our rechargeable lithium battery. A USB-C cable is included for easy charging, allowing for enhanced mobility and prolonged use without the need for constant power supply.
  • ✅ HIGHLY SENSITIVE SENSOR: Features a Japan-made heat dioxide semiconductor sensor, renowned for its exceptional sensitivity and reliability in detecting gas leaks.
  • ✅ HIGHER SENSITIVITY: Adjustable sensitivity with High/Low levels.
  • ✅ BROAD RANGE DETECTION: Both SFD200&SFD201 are capable of identifying a wide array of halogen refrigerants, our detector efficiently pinpoints leaks in systems using refrigerants like: CFCs: R11 R12 R113 R114 R400 HFCs: R21 R22 R31 R121 R122 R123 R124 R141b R142b R221 R222 R401a R402a R402b R408a R409a R509a HCFCs: R23 R32 R41 R125 R134a R143a R404a R410a R407c R417a R507 R508a R508b R152a HFOs: R-1234yf R-1234ze R449a R452b R454a/b R455a R456a R457a R459a, etc. This versatility ensures comprehensive leak detection across diverse HVAC applications. In addtion to that, SFD201 can detect HC/Combustible Gas such as R50/Methane, R170/Ethane, R290/Propane, and R600a/Isobutane.
  • ✅ LARGE COLOR LCD SCREEN: Equipped with a vibrant, large LCD display, our leak detector ensures you don't miss any leaks. The clear level display not only pinpoints the location of leaks but also offers a quiet working environment, enhancing user comfort and efficiency during detection tasks.

Product Details

Brand:SENSYX
Model:SFD201
Size:ILD-200
Color:SFD201 Refrigerant&Combustible Gas Detector
Dimensions:5.5 X 0.98 X 2.36 inches

Elitech HVAC Refrigerant Leak Detector Heated Diode Sensor Halogen Freon Sniffer, Air Conditioning Detection, R22 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-100H

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Key Features

  • ✅ Heated Diode Sensor: Compared to traditional sensors, the results are also more accurate for all halogenated refrigerants.
  • ✅ TFT Screen: First leak detector with a TFT screen that gives more clear and easy readings on sensitivities, leakage alerts, battery levels and other key info during operations.
  • ✅ Higher Sensitivity: Adjustable sensitivity with High/Medium/Low levels and the maximum sensitivity is up to 0.1oz/yr.
  • ✅ Quick Operation: The two corresponding buttons on the front allows quick adjustment to sensitivities or to mute buzzer directly, very easy to operate.
  • ✅ Detecting All Halogenated Gases: It can detect all kinds of halogen refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and mixed refrigerants such as R11/R22/R404a/R410a/R600a/R1234yf and Blends such as AZ-50, HP62, MP39 etc. and response within 1s. We offer 7*24 services and a one-year warranty for the gas leak detector.

Product Details

Brand:Elitech
Model:ILD-100H
Size:ILD-100H
Color:Heated Diode Sensor Ild-100h
Dimensions:3.3 X 1.5 X 7.9 Inches
Warranty:1 Year

Elitech Refrigerant Leak Detector, CLD-100 Freon Leak Detector Car HVAC Halogen Refrigerant Leak Detector CFCs HCFCs HFCs

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Key Features

  • ✅ Upgraded version of WJL-6000. Traditional corona sensor with updated analogue circuit, fast triggers on R11, R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
  • ✅ 6s preheating time, instantaneous response; 6 adjustable sensitivity, sensitivity of 0.21oz/yr.
  • ✅ A flexible probe around 8.26 inches allows detections in difficult and hard-to-reach areas.
  • ✅ Direct status indication with audible & visual leakage alarm indicators and dual colour battery indicators. Battery by 4 AAA batteries (Not included)
  • ✅ 24/7 US Technician Support via Email and Phone.

Product Details

Brand:Elitech
Model:CLD-100UV
Size:CLD-100-UV
Color:orange
Dimensions:8.661417314 X 2.362204722 X 2.362204722 inches
Warranty:1 year manufacturer

Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, ILD-200

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Key Features

  • ✅ Infrared Leak Detector: Compared with the heated diode leak detector, the infrared refrigerant leak detector has strong anti-interference ability, faster response speed, more accurate and longer service life.
  • ✅ Higher Sensitivity: Adjustable sensitivity with High/Medium/Low levels and the maximum sensitivity is up to 0.14oz/yr.
  • ✅ Detecting All Halogenated Gases: It can detect all kinds of halogen refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and mixed refrigerants such as R11/R22/R404a/R410a/R600a/R1234yf and Blends such as AZ-50, HP62, MP39 etc.
  • ✅ 2.8' Large Screen: Do not missing any leakage. The peak display clearly indicates the orientation of the leak detection point and provides users with a quiet working environment.
  • ✅ US Local Team R&D and Service: We offer 24/7 customer service and technical support.

Product Details

Brand:Elitech
Model:ILD-200
Size:ILD-200
Color:Ild-200 With Infrared Sensor
Dimensions:3.3 X 1.5 X 7.9 inches
Warranty:1 Year

SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD200 Refrigerant Detector)

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Key Features

  • ✅ RECHARGEABLE LITHIUM BATTERY: Enjoy the convenience of cordless operation with our rechargeable lithium battery. A USB-C cable is included for easy charging, allowing for enhanced mobility and prolonged use without the need for constant power supply.
  • ✅ HIGHLY SENSITIVE SENSOR: Features a Japanese-made heat dioxide semiconductor sensor, renowned for its exceptional sensitivity and reliability in detecting gas leaks.
  • ✅ HIGHER SENSITIVITY: Adjustable sensitivity with High/Low levels.
  • ✅ BROAD RANGE DETECTION: Both SFD200&SFD201 are capable of identifying a wide array of halogen refrigerants, our detector efficiently pinpoints leaks in systems using refrigerants like: CFCs: R11 R12 R113 R114 R400 HFCs: R21 R22 R31 R121 R122 R123 R124 R141b R142b R221 R222 R401a R402a R402b R408a R409a R509a HCFCs: R23 R32 R41 R125 R134a R143a R404a R410a R407c R417a R507 R508a R508b R152a HFOs: R-1234yf R-1234ze R449a R452b R454a R455a R456a R457a R459a, etc. This versatility ensures comprehensive leak detection across diverse HVAC applications. In addtion to that, SFD201 can detect HC/Combustible Gas such as R50/Methane, R170/Ethane, R290/Propane, and R600a/Isobutane.
  • ✅ LARGE COLOR LCD SCREEN: Equipped with a vibrant, large LCD display, our leak detector ensures you don't miss any leaks. The clear level display not only pinpoints the location of leaks but also offers a quiet working environment, enhancing user comfort and efficiency during detection tasks.

Product Details

Brand:SENSYX
Model:SFD200
Size:ILD-200
Color:SFD200 Refrigerant Detector
Dimensions:5.5 X 0.98 X 2.36 inches

ZLLJYBLG High Sensitivity Halogen Freon Leak Detector with UV Light Probe - Heated Diode Sensor for RV AC Refrigerant Repair, Air Conditioning Leak Detection Tool

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Key Features

  • ✅ Top-Tier Sensitivity for Precision Leak Detection: Features a advanced heated diode sensor that sniffs out even tiny halogen/Freon leaks (R134a, R410a, R22 & more) – perfect for RV AC systems and home/auto air conditioners where small leaks ruin cooling efficiency
  • ✅ 11.8inch Built-In UV Light Probe for Easy Visualization: Integrated UV flashlight helps locate leaks fast when used with leak detection dye – no more guessing where refrigerant is escaping; ideal for dark RV compartments or tight AC unit spaces
  • ✅ Pro-Grade Heated Diode Sensor: Delivers top-tier sensitivity to sniff out even tiny halogen/Freon leaks (R134a, R410a, R22, etc.) – a game-changer for RV repairs and HVAC work where small leaks kill cooling performance
  • ✅ RV-Ready & Multi-Use Versatility: Tough enough for on-the-go RV repair trips, yet works for home AC, car AC, and refrigerators too. Compact enough to stash in your tool bag – a must-have for HVAC techs and DIY enthusiasts
  • ✅ User-Friendly Operation for Pros & DIYers: Simple one-button control, clear audio/visual alerts (beep frequency increases as you near leaks), and low-battery indicator – no complex setup, just plug-and-play for quick diagnostics

Product Details

Brand:ZLLJYBLG
Model:GL77A
Size:2.7*10*2
Color:Black
Dimensions:2.7 X 10 X 2 inches
Warranty:2 Year Manufacturer

Refrigerant Leak Detector, Aprvtio New Upgrade WJL-6000PRO Freon Leak Detector with Loud Alarm, 1800mAh Rechargeable Battery, Freon Sniffer HVAC Halogen Gas Sniffer for R22 R410A R134A R454B

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Key Features

  • ✅ 【Industry-Leading Precision】With a 10-second detection process, our refrigerant leak tester achieves unrivaled accuracy, minimizing false alarms and ensuring reliable system diagnostics
  • ✅ 【Audible & Visual Alarm with Mute Function】When a leak is detected, a result will appear in digital display and audible tone will change to a siren sound. Press the MUTE button of the ac leak detector to turn on/off the buzzer
  • ✅ 【Premium Metal Probe】Featuring an all-metal construction, this halogen leak detector probe is dirt-proof and wear-resistant, making it ideal for repair engineers.
  • ✅ 【1800 mAh Rechargeable Battery】The 1800 mAh battery of the leak detector HVAC provides over 20 hours operation. Note: Charging cable not included. Please use any Type-C cable for charging.
  • ✅ 【Equipped With RS485 Interface】The freon sniffer is equipped with an RS485 interface, enabling high-speed, long-distance, and noise-resistant data transmission for demanding industrial environments

Product Details

Brand:Aprvtio
Model:WJL-6000 PRO REFRIGERANT
Size:refrigerant
Dimensions:3 X 1 X 1 Inches

THIKPO Automotive Freon Leak Detector HVAC, Professional Refrigerant Leak Detector with LCD Display & LED Light, Car AC Leak Detector Kit for R134a R410A R22 R32 R1234yf - with Audio & Visual Alarm

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Key Features

  • ✅ 【30+ Gas Compatibility】Compatible with common and rare ac refrigerants over 30 refrigerants, such as CFCs (R11, R12, R113, R114, R115, R502, R13), HCFCs(R22, R123, R124, R141b, R142b, R401A, R402A, R409A), and HFCs (R134a, R32, R125, R410A, R404A, R407C, R507, R23). It fully covers leak detection needs for automotive air conditioners, making it an ideal automotive hvac tool for professional technicians and DIY users.
  • ✅ 【Flexible Probe】Equipped with an extra-long flexible gooseneck probe with LED light that bends easily and reaches narrow, hidden areas such as automotive engine compartments, condensers, and evaporators—eliminating blind spots that traditional detection methods struggle to access.
  • ✅ 【High Sensitivity & Precision】The detector detects refrigerant concentrations from 0–1000 ppm with an resolution accuracy of 1 ppm. Designed to identify potential gas leaks as small as 0.5 oz/year under ideal conditions. The detector intelligently filters ambient gas interference which ensures reliable detection results.
  • ✅ 【Audio & Visual Alarm】The digital freon sniffer can set custom high/low thresholds in seconds and get instant buzzer alerts. Its LCD display showing clear alerts, battery levels and other key information provides precise and visual gas leak monitoring, which is an ideal air conditioning leak detection tool.
  • ✅ 【Dual-Temp Display】Equipped with two temperature modes, it can be switched instantly between °C and °F with one-button, maintaining perfect performance even under extreme conditions (-10°C to 50°C / 14°F to 122°F). So it adapts to various complex working environments such as auto repair shops and outdoor rescue.

Product Details

Brand:THIKPO
Model:TK092
Color:Blue
Dimensions:N/A X N/A X N/A in
Warranty:1 year

VIVOHOME HVAC Refrigerant Freon Leak Detector with Rechargeable Battery, AC Sniffer Leak Detector for R134a R410a R1234yf R454B R32 CFCs HCFCs HFCs HFOs HCs, Max Sensitivity up to 0.03oz./yr

Image of VIVOHOME HVAC Refrigerant Freon Leak Detector with Rechargeable Battery, AC Sniffer Leak Detector for R134a R410a R1234yf R454B R32 CFCs HCFCs HFCs HFOs HCs, Max Sensitivity up to 0.03oz./yr

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Key Features

  • ✅ PRECISE SENSITIVITY AND RESPONSIVE - The VIVOHOME AC leak detector automotive offers 3 modes of sensitivity with maximum sensitivity up to 0.03oz./yr; You can adjust the sensitivity to find the locate leaks in various situations; The air conditioner leak detector has a warm-up time of 30 seconds and a response time of 3 seconds, aiding in quickly pinpointing and addressing issues, ensuring the refrigeration system operates safely and reliably
  • ✅ AUDIBLE AND VISUAL ALARM - When a leak is detected, the HVAC leak detector will make an urgent sound and the screen will display the leak level; The red bar means high leakage intensity, the yellow bar means medium leakage intensity, and the green bar means no leakage; Press the MUTE button to silence or reactivate the beep; When you turn on the A/C leak detector, it will emit a regular buzzing sound; If you find it bothersome, you can press the mute button to quiet it
  • ✅ RESET & PEAK FUNCTION - The Reset Function of the freon leak detector enables you to identify leaks without the interference of the background concentration; the Peak function records the max value of leaks, making it quicker to locate the primary leakage point in the environment; 15.8-inch sensor probe allows access to difficult-to-reach areas; The 2.8-inch large LCD screen ensures the test results more intuitive
  • ✅ LOW POWER CONSUMPTION & LONG LIFE - The car AC leak detector features a built-in 3000mAh rechargeable battery that is environmentally friendly and offers up to 6 hours of continuous operation; The AC sniffer leak detector meets SAE J2791 and SAE J2913 standards, and can be used for up to 300 hours, which is 5 times longer than other leak detectors
  • ✅ WIDE USAGE - The leak detector HVAC is compatible with a wide range of refrigerants, including CFCs like R12, R11, R500, R503; HCFCs like R22, R123, R124, R502; HFCs like R134a, R404a, R125, R438a; HFOs like R1234; HCs like R290, R600a; Blends like AZ-50, HP62, MP39, R410a; and PFCs like PFC-14, PFC-116, PFC-218, and more

Product Details

Brand:VIVOHOME
Model:VH1413US
Size:7.9 x 3.1 x 1.6 inches
Color:Yellow
Dimensions:7.68 X 2.56 X 1.18 Inches
Warranty:1 year

Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF, WJL-6000S

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Key Features

  • ✅ [All Halogenated Gas] Freon leak detector triggers on R22, R134A, R404A, R410A, R1234YF and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
  • ✅ [7 Adjustable Sensitivity] Turn the knob to open and choose the sensitivity level. Maximum sensitivity up to 0.21oz/yr, which is enough to self -check auto AC or air conditioning and other.
  • ✅ [Multiple Indicators] Equipped with Audible and Visual gas leakage indicators and dual battery indicators.
  • ✅ [Turn On and Use] The electronic refrigerant leak detector response within 3 seconds. Warm up in 6 seconds, the shortest time in gas detectors.
  • ✅ [7.9-inch probe] A flexible probe allows detections in difficult and hard-to-reach areas. 24/7 US Technician Support via Email and Phone.

Product Details

Brand:Elitech
Model:WJL-6000
Size:WJL-6000
Color:WJL-6000
Dimensions:1.37 X 1.37 X 5.9 Inches
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