Dragway Tools Dust Collector Filter for Model 110 and 260 Sandblast Cabinets Replacement filter for Model 110 and 260 sandblast cabinets (420-, and 990-liter). Length: 12-1/8 in. with 1/4-inch thick rubber gasket. Outer Diameter: 6-3/4 in. Inner Diameter: 3-1/2 in. Threaded Rod Hole: 1/2 in.