4" OD Self Cleaning Anti Clog Blast Gates (DCE)

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