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