Features: Experience clear pool water with our high efficiency Pool Filter Sponge, designed to trap debris, dirt, and fine particles for optimal water quality and hassle less swimming pool maintenance. This reusable pool filter withstands repeated washing cycles while maintaining its filtration performances and structural integrity. Ideal for pool owners, families with children, and pet lovers seeking a safe, none toxic solution to maintain hygienic swimming environments year round. Effortlessly integrates into pool filtration systems as a pre filter layer or standalone cleaner during routine pool care and seasonal water treatments processes. The none abrasive, chemical less design ensures compatibility with all pool surfaces while promoting pool care practices for residential and commercial use. Specifications: Component::Sponge Size: Approx.10x9cm/3.94x3.54inch Size: Approx.19.5x9.8cm/7.68x3.86inch Size: Approx.7x10.3cm/2.76x4.06inch Package Includes: 4pcs Pool Filter Sponge note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.