Part: filter mount / connecting muff. and screw set. Part # 020 171 100, 908 205 658 Condition: good used/working shape Fits: Dolmar 109, 110i, 111, 115, 115i, ps-43, ps-52, ps-540 and Makita DCS 43, 430, 431, 4300i, 52, 520, 520i 5200i, 540