This kit includes a blower, 6 and 15 ft. of ducting with a storage bag, and Allegro® Industries' Manhole Ventilation Passthru (MVP). The MVP assembly is designed to help you maintain and redirect air flow into manholes, sewers, and tanks, with minimal restriction. The system—low-profile manhole air vent, low-profile 90° elbow, and easy-entry duct—is compact, lightweight, and not statically conductive. The collapsible duct is packed in a small storage bag with a quick-release draw string to drop it into the manhole. The duct springs into shape once a worker has entered. Once the low-profile system is installed, flat-channeled corners let the manhole cover fit into place for stabilization.
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Industrial & Scientific > Occupational Health & Safety > Safety > Confined Space Equipment