Allegro 9510-50 MVP Confined Space Manhole Ventilation Passthru Eyewash It is NIOSH 42CFR84 approved

It is NIOSH 42CFR84 approved

Autocalibration or single calibration

Size is XL which fits most people

Features include:

Universal and XL size available

Allegro 9510-50 MVP Confined Space Manhole Ventilation Passthru Eyewash It is NIOSH 42CFR84 approvedAllegro'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