Description Item Type: Sand Filter Drain Cover Weight: Approx.72g / 2.5oz Material: Plastic Purpose: Swimming Pool Applicable Machine: Fit For HAYWARD Internal Thread Specification: Approx.33mm / 1.3in1Manufacturing Material: Made of high quality plastic material, it ensures maximum durability and long service life. 2Easy to Install: Easy to install, can directly replace old and damaged parts, so that the performance has been greatly improved. 3High Reliability: High reliability, this is undoubtedly a practical swimming pool accessories, suitable for HAYWARD machines. 4Easy to Use: Drain cap gasket replacement, without any difficult requirements even though you use it for the first time. 5Diverse Features: 33mm / 1. 3in internal thread specifications, fine workmanship, lightweight, easy to install and disassemble. 4 xnbspSand Filter Drain Cover