Super-Pro CFT/CFR Lid O-Ring O-413-9 Boat Care this anti-entrapment drain cover features

this anti-entrapment drain cover features disposable "dog bone" supports that maintain shape throughout all construction phases

this cover provides durability and insulation

cutting down on refills and conserving pool chemicals

On the other hand

Made with high-quality spunbond polyester

Super-Pro CFT/CFR Lid O-Ring O-413-9 Boat Care this anti-entrapment drain cover featuresThe Super Pro O 413 9 CFT CFR Lid O Ring is a high quality mechanical gasket designed for both static and dynamic applications. Perfect for pool and spa use, this O Ring ensures a secure seal for pool pumps, filters, valves, and piping. With dimensions of 11 1 2 Inch ID x 11 7 8 Inch OD x 3 16 Inch Cross Section, it is compatible with CFT, CFR 50 75 100 150 Filter Lid and Sher 80 120 160 200 Landslide Avalanche Separation Tank. This O Ring is a must