3M Breathing Tube BT-20L - 38 Inch

3M BT-20L are breathing tubes with steel core coils that increase durability. To improve their comfort and reduce the potential to catch on the wearer’s surroundings, the BT-20 tubes are offered in two lengths: S/M and M/L - check out 3M BT-20 for the Small/Medium option. The 3M Breathing Tube BT-20L connects the S-Series Hoods and Headcovers to Powered Air Purifying respirators or Supplied Air respirator Valves with GVP and V-Series systems. Length of tube is approximately 38 inches. All S-Series compatible breathing tubes feature the innovative 3M Quick Release Swivel (QRS) connection. The QRS connects quickly to the headgear and swivels to minimize loops and kinks in the breathing tube.