Air Systems International - Electric HEPA Vacuum Brand_Thermalgard Face seal for hard hat

Face seal for hard hat SR 580

Inherently FR with 16 oz

Plated steel construction throughout

and requires two spikes for a 3' block

Ladder adapter that attaches to any manhole collar and provides a mechanism to secure ladder

Air Systems International - Electric HEPA Vacuum Brand_Thermalgard Face seal for hard hatOur HEPA vacuum cleaners boast a certified HEPA filter, double layer intermediate micro filter, and completely sealed 2 ply disposable paper bag filter. The HEPA filter consists of ultra strong microfibered glass paper sandwiched between corrugated aluminum and captured by a sturdy steel screen. With a minimum efficiency rating of 99. 97% at 0. 3 microns and tested through the HOT DOP method at 100 cfm with only 1" of resistance, our HEPA filters