No. 617E is designed to give optimum performance during the search for microparticle evidence. Constructed of clear, methacrylate plastic in two pieces joined by precision machined threads, the filter boasts a metal filter support screen which permits unobstructed suction. Tapered aluminum connections permit attachment to any tank and cyclone-type sweepers. Dimensions: 5.75 x 4.5 dia. (14.6cm x 11.4cm).