No filters, cartridges, or batteries to maintain
Supplied air provides no additional breathing resistance to the wearer
High pressure system
The 3M™ Supplied Air Hose W-9435-25 is 25 ft (7.62 m) long and has a 3/8 in (0.95 cm) inner diameter. It is equipped with Industrial Interchange MPT fittings at both ends and accepts 1/4 in (0.63 cm) FPT fittings.
Supplied air respirators require a source of clean breathing air such as plant air systems, low pressure pumps, or bottled air. Complete systems include a supplied air hose, an air regulating valve, a breathing tube, and a helmet, hood, or other facepiece. Delve into 3M™ Products and experience the wide variety of products and replacement parts offered with powered air purifying respirators (PAPR). In addition to powered systems, 3M also offers supplied air respirators (SAR) using air from an air tank or a different external source.