Refrigerant leak detector REMS Detect GS4 Set R

The included sensor can detect the following refrigerants: R-22, R-32, R-134a, R-152a, R-290, R-404a, R-407c, R-410a, R-507a, R-600a, R-1234yf Additional sensors can be purchased to detect flammable gases such as natural gas, methane, LPG, propane and butane Robust, impact-resistant plastic housing