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The ALLEGRO 9904-25 is a Class G respirator hood designed as a replacement accessory for PAPR (Powered Air-Purifying Respirator) and SAR (Supplied Air Respirator) systems. Respirator hoods in this class provide full head and neck coverage, directing filtered or supplied air across the breathing zone. This part is sold in a package of 6 units, making it practical for maintenance programs and multi-tech operations. Installation and replacement are typically handled by safety-trained technicians, industrial hygienists, or trade professionals working in environments that require supplied-air respiratory protection.
This hood is suited for use in industrial, commercial, and trade settings where PAPR or SAR respiratory protection is required. Typical applications include confined space entry, chemical handling, abrasive blasting, painting, and other high-particulate or low-oxygen environments. The Class G rating indicates the hood meets the applicable classification standard for this accessory category. Each package contains 6 hoods, supporting fleet maintenance and scheduled replacement programs across a crew or job site.
Designed as an OEM-style replacement respirator hood accessory for PAPR and SAR respiratory protection systems requiring Class G rated hood components. Consult the respirator system manufacturer documentation to confirm fitment before installation.
Respirator hood replacement should be performed by a qualified person familiar with the respiratory protection program in use at the facility. Power down or depressurize the PAPR or SAR system before removing or attaching hood components. Follow the applicable OSHA respiratory protection standard (29 CFR 1910.134) and the system manufacturer instructions for proper hood attachment and seal verification. Inspect the hood and connection points for damage before returning the system to service.
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