High Quality: The filter element is made of polyester material, which is easy to clean and replace, washable and reusable. Polyester material fibers also help trap particles, improve efficiency without reducing pressure drop, and help reduce the frequency of filter cleaning. Effective Filtering: The unique three-leaf filter fabric structure makes it easier to capture a large amount of pollutants. It is also easy to clean the filter. If properly maintained, this filter can be used for 1-2 years. Good Filtering Performance: Make the fabric capture more pollutants than ordinary fabrics. This filter can effectively remove hair, leaves, dust, sediment, sand, etc. Enjoy a clean relaxing time in your spa and hot tub. Easy to Use: The pool filter core is easy to adjust, easy to replace regularly, keeps the pipes clean.Height: 24.3 cm;Top diameter: 15 cm,Screw diameter: 4.65 cm. Compatible Models: The replacement filter Compatible with Filbur FC-0359 spa filter, Pleatco PWW50P3, Unicel 6CH-940 and Waterway 817 0050, 03FIL1400, 25252, 378902 and PWW50.