Product Details: White Plastic Skimmer Pump Upgrade Cover. 7.2inch OD, 6.9inch ID, 1.2inch H Compatible with above-ground skimmer pump housings: Compatible with above-ground skimmer pump models, especially the SFX1000 and SFX1500. This is a must for upgrading to a sand filter pump. Durable Plastic Skimmer to Sand Filter Conversion Cover: Great bottom cover replacement. Made from the same weatherproof, durable plastic as the skimmer pump housing, it features a reinforced construction and ridged edges for easy installation. EASY TO INSTALL: This conversion cover replaces your old filter pump ring. Drain the water and remove the old filter pump. Screw the cap in place and connect the vacuum hose. Use tape as needed. Whats Included: 3 Skimmer Drain Covers, 3 Internal Rubber Seals. If using with another make/model of skimmer pump, measure the bottom diameter to an exact fit. Color: White Material: plastic Package Contents: 3 x skimmer drain cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.