【Accessory for】Effectively removes dirt from pools and keeps water clean with fewer water changes. 【Removes impurities】: The spa filter is made of durable and easy-to-clean polyester paper. Dirt is easily rinsed away. Filter cartridge to prevent secondary contamination. 【Easy to clean】: Simply remove the filter from the pump and rinse off the dirt with a garden hose. Be careful not to scrub harshly or use a high-pressure water jet, as this may damage the filter paper. 【Easy to replace】Replace the filter cartridge every two weeks with a new one for optimal results. Easy replacement by placing it on the filter holder thanks to a convenient snap-on closure.