hinffinity Sponge Filters, 4Pcs Washable And Reusable Hot Tub Spa Foam Filters For Hot Tub Spa, Devours Scum And Grime, Spa Accessory For V1 S1

【Good efficiency】: sponge fliters helps eliminate scums that forms in swimming pools, hot tubs and spas, prevent the formation of a scum line in your pool or spa 【Dimension】: each sponge measures approx. Outer diameter: 10.4 cm/4.09in, Inner diameter: 5.2 cm/2.05in, Height: 8 cm/3.15in, simple design offers a unique way to clean and maintain your Hot Tub 【Cleaning Method】:Please use mild soapy water to clean the filter foam, and then rinse it to remove all the foam to extend its service life. 【Working Environment】: The filter works perfectly when maintaining the level of the bath. 【Storage method】: prevent the sponge from yellowing, please do not place the sponge in the sun light, and be careful not to expose the sponge to the air; After opening, please package in sealed color or black bags, can extend the service life of the sponge