1,Premium Material: The pool filter 89x79x45Mm is made from premium material. 2,Easy to Replace: The pool filter is easy to clean and to replace when necessary. 3,Practical in Use: The pool filter is compatible with filter pump item number: 28601/28602. 4,Small Tip: You should replace the filter every 2 weeks for best results. 5,Convenient Filter : The pool filter requires no assembly to be perfect in use. Colour:White+blue Material:Polyurethane ‖ + non-woven fabric Size:89x79x45mm Package Contents: 4 x Pool Filter 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.