Standard EN417 threaded self sealing safety valve.
Cadac Threaded Cartridge Regulator QR Quick Release For EN417 Cartridges 343-QR
CAMPLORA 4 x 450g Gas Cartridges with Screw Valve EN417 Screw Cartridge
Cadac Threaded Cartridge Regulator QR
Cadac Threaded Gas Cartridge Regulator QR
Cadac En417 Threaded Regulator with Quick Release for Disposable Canisters
Cadac EN417 Threaded Cartridge Regulator Assembly with Quick Release
