Vent Increasers

View as Grid List
Sort by
Display per page
Filter by attributes

AmeriVent 3EIX4 Increaser, 3 x 4 in, Aluminum Alloy/Steel

The increaser is used to increase vent size. A max of 4 step of increase.

LAMBRO 250 Vent Increaser, 3 to 4 in, Aluminum

Increases from 3 to 4 in.