Drain Cap Compatible with: for Hayward swimming pool sand filter: ①pro series S140T, S144T, S164T, S166T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S270T2, S310T2, S360T2 ②pro series plus S311SX, S311SXV, S360SX ③high rate S170TSCPE, S190TSCPE, S190TSCPFT, S190TSCPT. Replacement Part Number: for Hayward SX180HG. Please double check your part number before you order. Durable: The cap, made of sturdy plastic, comes with rubber gasket and tough thread. To keep your pool water from leaking, just screw the drain cap assembly to your pool filter.<br><br>Colour:Black Material:plastic Size:Inner diameter 1.18inch, outside diameter 1.57inch<br><br>Package Contents: 2 * pool Sand Filter Drain Cap<br><br>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.