Description
Nosecup Disk Valves are made from silicone rubber and are approximately .920 inches in diameter x .56 inches long and are T shaped. They fit the M40 series gas mask, including the M40 gas mask, M40A1, M42, and M42A1, plus the 3M FR-M40 respirators including the FR-M40-10, FR-M40-20, & FR-M40-30. Purchase is for (2) two new nosecup disks.
Features