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The ALLEGRO 9100-50EF is a straight, low-pressure supplied air respirator (SAR) supply hose designed to deliver breathing-quality air from a blower or compressor source to the respirator facepiece. With a 3/4-inch inner diameter and a 50-foot overall length, this hose provides the reach needed in larger work areas where the air supply unit must be positioned away from the work zone. At 15 pounds, it is built for field use across industrial, confined space, and hazardous atmosphere applications. Licensed safety professionals and industrial hygienists specify this type of hose for compliance with respiratory protection programs governed by OSHA 29 CFR 1910.134.
This hose is rated for low-pressure SAR systems and is compatible with the ALLEGRO Breathing Air Blower and Cold Air Respirator series. It is commonly deployed in spray painting, chemical handling, tank entry, and other environments where air-purifying respirators are insufficient. The 50-foot length allows workers to move through a defined work area without relocating the air supply source, reducing downtime during continuous-wear operations. It is used in both residential renovation and commercial industrial settings where supplied air protection is required.
Designed for use with the ALLEGRO Breathing Air Blower and Cold Air Respirator series as a low-pressure SAR supply hose.
Installation and connection of SAR supply hoses should be performed by a qualified safety professional or trained technician following the respirator manufacturer instructions and applicable OSHA respiratory protection standards. Before connecting or disconnecting the hose, shut off the air supply source completely. Inspect the hose for kinks, cracks, or fitting damage prior to each use. Route hose runs to avoid high-traffic areas where foot or vehicle traffic could damage the line.
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