The Cadac 28mbar Butane Clip-On Regulator is delivered with a 2m hose and a hand tighten clamp and has an operating pressure of 28mbar with an inlet size of 21mm. To maximise safety the Cadac 28mbar Butane Clip-On Regulator is factory fitted with a crimped 2m hose plus has he added safety feature Excess Flow Valve, EFV, that comes as standard. The EFV is an automatic hose safety feature that automatically cuts off 90% of gas flow if the hose is compromised. The regulator has a convenient and safe clip-on-on attachment mechanism.