RESPIRATOR, RPB® NOVA 2000™ PACKAGE, INCLUDES 407000HT NOVA RESPIRATOR W/HOT TUBE & MEDIUM HEAD DOME & SIDEWINGS, 407029 50' BREATHING AIR SUPPLY HOSE & 407900 RPB® RADEX AIRLINE FILTER™, UM-100 AIR HOSE COUPLING, MALE This product is compatible with...