General description The 20Pcs Foam Filter Sponge for Intex Type A is designed to keep your swimming pool or aquarium clean and clear. Made from environmentally friendly materials, these sponges are washable and reusable, providing a cost-effective alternative to traditional paper filter cartridges. Technical specifications Model Number: for Type A Type: Swimming Pool Foam Filter Sponge Color: Blue Material: Sponge Size: 20x10 cm Package Contents: 20 Swimming Pool Foam Filters Measurement allowed error: +/- 1-3 cm Usage Foam filters can be washed and reused multiple times, significantly reducing maintenance costs. It is recommended to change paper cartridges weekly, while foam filters can last about 2 months with proper washing and care. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.