Allegro's MVP combines the low profile manhole air vent, 90 degrees elbow and built-in mounting in one unit. A bagged collapsible duct gets dropped into the manhole with a quick release drawstring then springs back into shape once worker is down in the ma
Technical Specs
ItemManhole Ventilation Passthru Device for 12" Ducting
Outlet Size12"
Width23"
ColourYellow
ConstructionLinear Polyethylene
For Use With12" Plastic or Metal Blowers and Ducting
Length67"
IncludesThe 12" MVP Which is A Combination of The Low Profile Manhole Air Vent, 90 Degrees Elbow and Built In Mounting All Into One Easy Assembly, 6 ft. Ducting