<p>Replacement filters for pool and spa cleaning systems. Hole size 150mm / 5.9in; Length 241mm / 9.5inch; Coarse thread 46.5 mm / 1.8 in. LZH FILTER 100% polyester material, better dirt-catching power. LZH FILTER Inhibit bacterial growth for optimal performance and provide crystal clear water. 2 pieces of antimicrobial filtration products, L168.<p> When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications<p> We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.<p> Thank you for choosing our product. We hope you enjoy it</p>