Radnor 64003986 7 B-Size Brass Oxygen Hose Nut (CGA-022) (2 Per Pack, 1 PACK) Specialty Food Respirator includes medium rubber advantage

Respirator includes medium rubber advantage 4000 facepiece

No need to assemble or disassemble like most travel scooters

Butyl II provides the ultimate combination of protection and dexterity

It is the most configurable gas detector we have ever made with 5 sensor ports

Reinforced for extra scrubbing and cleaning power

Radnor 64003986 7 B-Size Brass Oxygen Hose Nut (CGA-022) (2 Per Pack, 1 PACK) Specialty Food Respirator includes medium rubber advantageAll Radnor fittings are manufactured to CGA standards. In addition to CGA numbers, many popular fittings commonly are refered to as A size, B size, C size and D size. These letter designations are included in the product discriptions.