Wholer GS220 Combustible Gas Detector Gas Sniffer (Mfg. part no. 6606) include gooseneck and battery. The LEDs and the acoustic signal, which can also be heard over head phones, indicate even the smallest leaks. The Wohler GS 220 has a 440 mm flexible gooseneck that helps to access hard to reach spots. The Wohler GS 220 Gas Sniffer indicates the volume of the gas concentration of methane and propane in LEDs by stage (40 ppm to 640 ppm). The instrument is perfect for the control of gas lines carrying combustible gases.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
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