Quick view 3M | sku: SSSA2000 SA-2000 Supplied Mask Airline SA-2000 Supplied Mask Air Line 3M™ Dual Airline Back-Mounted Adapter Kit With SA2500-Breathing Tube, GVP-127 Waist Belt And SA-1009 Valve.This kit delivers air to both sides of the facepiece for a comfortable and balanced 3M™ Supplied Air... Log in for pricing Compare