Features: 1The swimming pool filter replacement accessory is designed to fit for inflatable pool. 2According to the frequency of use it is recommended to replace the filter every 23 months to ensure that the machine runs in the best condition. 3Strong absorption can effectively remove tenacious dirt dust dirt and pet hair. 4Made of highquality materials durable washable reusable and easy to clean. 5Fine workmanship and is very suitable to replace the old one. Easy to install and replace easy to use. Specification: Item Type: Filter CartridgeMaterial: PPColor: As shown in the pictureProduct Size: Approx. 10.5x10.5x8cm / 4.1x4.1x3.1inWeight: Approx. 104g / 3.7oz Package List: 1 x Filter Cartridge Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.