Pool Filter Cartridges, Long-Lasting Pool Cleaning Foam for Type V1 Description: Changing your paper filter cartridge is part of your routine pool maintenance, and regular cartridge replacement can be costly. These washable and reusable foam filters will reduce your costs. The initial cost of this cartridge is slightly higher than a paper cartridge, but it will last much longer. This foam filter will outlast your paper cartridges and can be washed and reused multiple times. These foams can be easily washed and replaced. For Type VI Specification: Material: Size Chart: 10.6x8cm/4.17x3.15in Package Includes: 3x Pool Filter Cartridge Note: 1. Please allow slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wishing you a wonderful online shopping experience!