Allegro Industries 9510-50 8" Manhole Ventilation Passthru (MVP) with 6' Ducting

The first manhole system that combines the low profile manhole air vent, 90° 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 into the manhole with a quick release of the drawstring. The Collapsible duct springs back into shape once the worker is down into the manhole. The ducting is vinyl and polyester with PVC coating, heat resistant up to 180° F, meets ASTM 227 specs, and is UL 94V-0 flame retardant. 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.

Features:

• MVP made from Linear Low-Density Polyethylene (LLDPE)
• Bright yellow color for easy visibility
• Ducting is made from vinyl and polyester with PVC coating
• Ducting is heat resistant up to 180° F (88.2° C)
• Small storage bag holds ducting
• Quick release draw string to drop ducting into manhole

For more information, please see Data Sheet