Has a gate that slides completely through the housing which is self cleaning and eliminates chip build upBoth openings are 1.25″ long and taper from 3.85″ to 4″ and will fit 4″ flexible hose or tapered dust fittingsMade from strong 1/8″ thick abrasion resistant ABS plastic that will withstand abrasive nature of sawdust and wood chipsInside is smooth to allow maximum airflowBuilt-in stop to prevent sliding plate from coming out of housingAvailable in packs of 1, 2, 4, or 6.WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov

Blast Gates, Nonpromo