JEFFEL Hot Tub Filters for MSpa Inflatable Pools, Strainer Pool Bubble Spa Accessories, Cartridge Pump for Hot Tubs and Spa, for Inflatable Pools – Water Filter Model from 2020 (8pcs) (4 Pack)

Note: You just need to rinse regularly under the tap. However, if it is still dirty or discolored after rinsing, it should be replaced.