GasStop emergency shut-off valve for propane gas cylinders

The GasStop automatic gas cylinder safety device is a valve that closes the gas passage 100% immediately after the gas tap in the event of a serious leak. The GasStop has a G5 connection for most standard gas cylinder taps.Connection: NL 21.8mm LH (G.5) GSNL1TheGasStop has several functions:- Emergency shut-off: In the event of a major leak, the GasStop immediately shuts off the gas supply 100%- Leak test: The GasStop can also be used to check your gas system for small leaks (minor leak test)- Level indicator: The GasStop has a practical indicator that shows exactly when the gas cylinder is emptyInterrupts 100% of the gas supply in the event of a leak - fully automaticCan be used for leak testingFill level indicator includedEasy to install