Fangrui Product Details Product Details: White Plastic Skimmer Pump Upgrade Cap. With 7.2 Inches Outer Diameter, 6.9 Inches Inner Diameter, And 1.2 Inches Tall For Above-ground Skimmer Pump Housing: Compatible With Above-ground Skimmer Pump Models Especially Sfx1000 And Sfx1500. This Is A Must-have For Upgrading To A Sand Filter Pump. Plastic Skimmer To Sand Filter Conversion Cap: Excellent Bottom Lid . Its Made Of The Same Weatherproof And Plastic As The Skimmer Pump Housing, With Reinforced Construction And Ridged Edges For Easy Installation. Easy To Install: This Conversion Cap Replaces The Old Filter Pump Ring. Empty The Water Out And Remove The Old Filter Pump. Screw The Lid In Place And Hook Up The Vacuum Hose. Use The Ptfe Tape As Needed. Whats Included: 2 Skimmer Drain Cap, 2 Internal Rubber Seal. If Used On Other /models Of Skimmer Pumps, Measure The Bottom Diameter For An Exact Fit. Colour:white Material:plastic Package Contents: 2 X Skimmer Drain Cap Only The Above Package Content, Other Products Are N