Pool Filter Sponge Type H Foam Filter Cartridges Swimming Pool Filter Cartridges Reusable and Washable for Swimming Pool Spa. Features: - The filter element is installed in the filter pump and collects dirt flowing through the system. - Our filters filter out dust, hair, dirt and floes and can clean your water more effectively. - Can be washed and reused many times. - It is recommended to replace one carton per week, and these foams can be easily cleaned and replaced. You should see how the foam filter lasts for about 2 months. Specifications: Compatible with: Intex Type H. Material: sponge Colour: blue. Dimensions (H x D): approx. 10.2 x 9 cm. Center of the hole: approx. 30 mm. Contents: 2/4/6/8/x Filter foam for H type.