Machined from solid Delrin, this high-flow-rate P-valve provides drysuit divers with relief during long dives and has one of the fastest flow rates of any P-valve on the market. It is balanced to reduce backpressure and uses chemical-resistant tubing. It is supplied with a quick disconnect for added convenience. The low-profile design features a rubber outer grip for easy operation when wearing gloves. The kit contains a rubber backing patch, stainless-steel fitting tool and instruction manual.