Taking up a minimum amount of space, the Manhole Ventilation Passthru (MVP) combines the low-profile manhole air vent, 90° elbow and built-in mounting into a single assembly, allowing workers easy access in and out of confined spaces. Ducting can be attached to the top and bottom of the MVP, maintaining constant flow of air. No need to pull back ducting for workers to pass by. Bright yellow, high-impact polyethylene construction. The manhole cover holds a MVP in place.
WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.