Don't let a Malfunctioning BCD Inflator Mechanism Ruin a Day-of-Diving, always carry a spare. The Hollis Gear Power Inflator Mechanism with Cable Activated Pull-Dump Rapid Exhaust Valve can get you out of a bind when you really need it. This complete Power Inflator Mechanism comes with a Rubber Gasket for Immediate Installation onto your Hollis BCD. The Inflator System is made from Durable Impact Resistant Plastic with a 16" (40.6cm) Corrugated Rubber Hose. The Internal Components and Inlet Quick-Disconnect Nipple are made from Chrome Plated Brass.