Air Valve Assembly,6 1/2 in L,Black

Air Valve Assembly, For Use With Headgear, V-300, Compatible with Brand 3M(TM), Compatible with Series Versaflo, Includes TR-325 Belt, V-199 Muffler, V-300SR Valve, V-399 Adapter, 6 1/2 in Height, 1 3/4 in Width