Respiratory Protection Equipment 3M: W-2806 3M Compressed Air Filter and Regulator Panel W-2806 3M: W-2929 3M Supplied Air Hose W-2929, 25 ft, Industrial Interchange Fittings, High Pressure, Coiled 3M: W-9435 3M Supplied Air Respirator Hose W-9435, 25 ft, Industrial Interchange Fittings, High Pressure