3MRCB-1000 Features: -The 3M GVP-Series Belt-Mounted Powered Air Purifying Respirator (PAPR) combines a high level of protection with exceptional performance and versatility. This innovative product is designed to operate with many different helmets, hoods and facepieces.. -UNSPC CODE: 46182000. -Supplied Air Systems & Parts Supplied Air Systems Parts respiratory protection. -BELT COMFORT. Product Type: -Belt/Harness.