www.ishn.com/articles/94210-powered-air-purifying-respirator
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Powered air-purifying respirator

October 5, 2012
The latest in PAPR technology for hazardous locations from Bullard, the EVAHL is a lightweight Hazloc PAPR with Active Flow Technology to keep air flow constant. Backed by independent 1,000 APF documentation and NIOSH approved, EVAHL can be used in multiple hazardous locations. Bullard_300px.jpg

Bullard, www.bullard.com, (877) BULLARD. Booth 2100. Circle 300