Item Details:* & * Reusable Foam Box * Suitable for Intex Bubbles and Clean Spas * S1 Carton Replacement * Replacing the paper filter element is part of daily pool maintenance. These cleaning and reusable foam filters will reduce your cost* The initial cost of the cartridge is slightly higher than that of the cartridge, but the service life of the cartridge is longer for a long time* More than cardboard and can be washed and reused repeatedly.* Material: Sponge* Color: Blue (as pictures show)* Quantity: 2 pieces * Size: 10.8*7.3cm (Approx.) * Hole drilling center: 4cm (Approx.) Package Contents: 2 * Sponge FilterNote: 1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.