3 INCH VACUUM HOSE CONNECTOR TRUCK MOUNT CARPET REPAIR BUTLER WASTE FILTER NEW-.Heavy gage polypropylene Banjo brand HM-300 barbed hose connector. Suitable to connect 3" vac hose on Butler, Prochem, Sapphire, Hydramaster, Judson, Amtex, MasterBlend, Chemtex, and other manufacturer truck mounted carpet cleaning machines. Can be used in other fluid or air transfer applications as well. Shipping to U.S. addresses only.