PremAire cadet respirator kits include PremAire cadet respirator with advantage 4000 facepiece (medium size, Hycar Rubber, polyester net head harness) with Push-To-Connect Firehawk MMR, nylon belt assembly, listed quick-disconnect for connecting respirator to air supply hose, neoprene airsupply hose 50 ft section complete with corresponding plug to attach air supply hose to air source.