SIZE:1. COMMON FLANGE:63MM, 75MM,90MM,110MM,160MM,200MM,250MM 2. MOVABLE FLANGE:110MM,160MM,200MM,250MM COLOR: WHITE,LI SIZE:1. COMMON FLANGE:63MM, 75MM,90MM,110MM,160MM,200MM,250MM 2. MOVABLE FLANGE:110MM,160MM,200MM,250MM COLOR: WHITE,LIGHT GREY,DARK GREY AND SO ON STANDARD:GB/T 10002.2-88 PACKING: CARTONS PVC FLANGE