Save Costs - Regular Replacement of the Paper Filter Cartridge is part of the daily maintenance of the pool, this will result in increased costs and waste. Our reusable and washable foam filter are an ideal replacement for disposable filter paperGood filter effect - Our foam filter cartridge has a high density mesh structure that can filter a lot of impurities in the pool, it can remove leaves, grass, hair, scories, pine, insects and other floating debris efficiently.Application - Our foam filter cartridge has a high density mesh structure that can filter a lot of impurities in The pool, it can remove leaves, grass, hair, slag, pine, insects and other floats flo Tarts efficiently.Colour: blueSize:106*73*40MMPackage Contents: 2pcs Reusable Foam Hot Tub Filter CartridgeWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.