Package and size: this package comes with 6 pieces pool filter sponge cartridges in 3 classic colors, blue, white and black, each color accounts for 2 pieces, proper size and sufficient quantity can meet your daily use and replacement Save energy: compared with the traditional filter paper holder, you don't need to replace the pool filter foam as a daily routine, as long as keep the filter running, you can own a clean pool for long time, saving you energy and time Prolong the life of : the sponges filter accessory will help to clean particles and debris so that it can prolong the life of your filter media, providing efficient water flow with less clogging for long lasting filtration and cleaning Practical and reusable: the swimming pool filter foam is sponge, which is reusable, washable and , can reduce your budget and outlast your paper cartridges by a , good choice to maintain the pool Work well: the intense density mesh structure of filter sponge cleaner replacement enables the fabric to capture more dirt than traditional fabric, can effectively remove hair, leaves, dust, sediment, sand, etc., providing you a comfortable and clean pool Colour: black+blue+white Material: sponge Size: 10 x 20cm Package Contents: 6 x filter foam Only the above package content, other products are not included. Note: Light 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.