SECURE SEAL: Equipped With A High-Quality Gasket, Our Cap Provides A Tight And Secure Seal, Stopping Any Leakage Or Spillage.The Edges Of Our Drain Cap Are Designed To Provide Excellent Grip, So It 't Easily Slip Off During Use.QUALITY MATERIALS: Pool Sand Filter Base Filters Drain Cap Fits Pump Systems, Made Of High-Quality Plastic Material, With A Smooth That Is Not Easily Broken Or Deformed, It Also Ensures The Product's Performance, Durability And .EASY INSTALLATION: Hand Tightens Only. The Cap's Ridged Edges A Firm Grip. Tighten Until The Drain No Longer Leaks. Use Some Tape On The Drain Port's Threads If Leaks Persist.DRAIN CAP COMPATIBLE WITH: for Swimming Pool Sand Filter: : S140T, S144T, S164T, S166T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S270T2, S310T2, S360T2 - Plus: S311Sx, S311Sxv, S360Sx - High Rate: S170Tscpe, S190Tscpe, S190Tscpft, S190Tscpt.Colour:BlackMaterial:PlasticPackage Contents:5 * swimming pool sand filterOnly 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.