XS Scuba “EZ” QD Adapter Convert any standard regulator hose to a BC quick disconnect hose Also fits drysuit valves that have an international type stem Installs on the second stage end of a regulator hose Six-point attachment with six ball bearings “EZ” QD design, just push to attach - no need to pull back the collar Wide easy grip collar Chromed brass construction with Viton O-rings Low pressure use only - below 200 psi.