3M™ Supplied Air Respirator Hose W-9435-50/07011(AAD), 3/8 in ID, Industrial Interchange Fittings, High Pressure Essential Disp. Respirators Not only does it facilitate

Not only does it facilitate tighter and more accurate seals

Featuring a high-performance TR-800 powered air purifier

Includes H8A ratchet headgear and WP96 polycarbonate faceshield

It is designed to meet OSHA respiratory protection fit testing requirements when used as part of a complete qualitative fit testing procedure

3M™ Supplied Air Respirator Hose W-9435-50/07011(AAD), 3/8 in ID, Industrial Interchange Fittings, High Pressure Essential Disp. Respirators Not only does it facilitateThis hose is 50 feet long and has a 3 8 inch inner diameter. It's equipped with MPT fittings at both ends and accepts 1 4 inch FPT fittings. You may not combine 25 or 50 foot lengths of the 3M Supplied Air Hose W 9435.