Allegro 9510-50 MVP Confined Space Manhole Ventilation Passthru Cold Weather It is made of tough

It is made of tough powder coated steel for corrosion resistance

DBI/SALA beam anchors provide economical flexibility

What’s the secret of the MGC’s extended battery life

NOTE: This would be the respirator of choice for residents experiencing forest fire smoke

Allegro 9510-50 MVP Confined Space Manhole Ventilation Passthru Cold Weather It is made of toughAllegro's new 9510 50 Manhole Ventilation Passthru is a really cool piece of equipment. It is a incredibly simple way to ventilate a space while at the same time still allowing access to the space for your workers. It is an excellent and less expensive alternative to the Saddle Vent system. Allegro's Manhole Ventilation Passthru (MVP) is made with a low profile air vent for the manhole itself, a 90 elbow, and built in mounting. The length from the top