RESPIRATOR, RPB® NOVA 2000™ PACKAGE, INCLUDES 407000-C40 NOVA RESPIRATOR W/C40 CLIMATE CONTROL DEVICE & MEDIUM HEAD DOME & SIDEWINGS, 407029 50' BREATHING AIR SUPPLY HOSE, 407900 RPB® RADEX AIRLINE FILTER™, & UM-100 AIR HOSE COUPLING, MALE This product...