Allegro 9510-55 8″ Manhole Ventilation Pass Thru (Mvp) W/ 15′ Ducting

Allegro’s MVP is the first manhole system that combines the low profile manhole air vent, 90ð elbow and built in mounting all in one unit. This unit comes with a collapsible duct, for easy entry, stored in a small storage bag that can be dropped down into the manhole with a quick release of the drawstring. The Collapsible duct springs back into shape once worker is down into the manhole. The ducting is vinyl and polyester with PVC coating and heat resistant up to 180ð F. The manhole cover fits into a flat channel corner for stabilization. Compact, lightweight and made from Linear Low Density Polyethylene (LLDPE), this unit is easy to store and ships in one small carton. Recyclable.

Part Number

9510-508″ Manhole Ventilation Passthru (MVP)

9510-558″ Manhole Ventilation Passthru (MVP) w/15′ ducting

Click HERE for specifications.