Filtering Sprue Plugs

Adolf’s™ filtering sprue plugs are designed with a break off notch that locate on a half inch pin that can be mounted either on a pattern or on your runner system. These plugs utilize circular ceramic filters and come in four different sizes-2, 3, 4, & 5 inch diameters. Adolf’s™ sprue filtering plugs are made out of DuraTech™ tooling material for optimal wear resistance.