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Supplied Air Attachment for Sundstrom Respirators

The Compressed Supplied Air Attachment changes any Sundstrom respirator into a Type C continuous flow supplied air respirator.

For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email


SKU H03-1421 Categories , Tag



The SR 307 supplied air attachment is designed for connection to Sundström Air Purifying Respirator (APR) half masks and full face masks. This combination is a Supplied Air Respirator (SAR) in Continuous Flow mode (CF), for connection to a compressed air supply. The SR 307 is an accessory that enables a given facepiece to be used as either a Air Purifying Respirator or a Supplied Air Respirator (SAR). The compressed air attachment is especially intended for applications involving heavy and sustained work in environments in which the pollutants have poor warning properties or are particularly toxic. The SR 307 is made of a material which is not liable to give rise to frictional sparking, which enables the attachment to be used in an explosive or flammable environment. The flow meter and warning whistle for temporary and continuous monitoring of the air flow rate are included. Control valve mounted on the user’s belt is included.


Additional information

Weight 2 lbs


Working Pressure 58 – 102 PSI
Air Flow Rate 5.3 CFM to 13.8 CFM
Storage Temperature 4 to 104°F
Working Temperature 14 to 131°F
Weight w/o Valve 2.8 ounces
Low Flow Warning Level 5.3 CFM
Protection Factor Full Face Mask: 1000
Half Mask: 50
Approval NIOSH 42 CFR part 83


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