Replacement sponge filter element for pool pumps. Breathable sponge material provides reliable filtration and steady water flow. Easy to install; a practical replacement for standard pool filter sponge elements. Durable pool filter sponge. Long service life; serves as a reliable pool filter accessory; designed to replace worn or clogged sponge elements and sustain filtration performance. Easy maintenance. Remove the filter from the pump, rinse under running water, and reinsert. Helps prevent clogs and maintain water clarity between cleanings. Use scenarios. Use in a home pool to restore filtration and water clarity when the sponge is worn. Use in aquariums, basins, or ponds to support filtration for longer periods. Use during pump maintenance to minimize downtime by swapping in a fresh sponge. Key attributes. Material: breathable sponge. Function: filtration, clog protection, replacement sponge. Compatibility: replacement for standard pool filter sponge elements. Performance: maintains filtration efficiency and extends filter life.