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The Manhole Ventilation Passthru (MVP) is designed to maintain and redirect air flow with minimal restriction into manholes, sewers and tanks The first manhole system that combines the low profile manhole air vent, 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 180 Degrees. The manhole cover fits into a flat channel corner for stabilization. Compact, lightweight and made from Linear Low Density Polyethylene (LLDPE), the MVP is not statically conductive. This unit is easy to store and ships in one small carton. Recyclable.

Allegro 9510-60 12 Inch  Manhole Ventilation Passthru (MVP)

9510-60-12-inch-manhole-ventilation-passthru-mvp

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