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 paper You do not need to frequently replace filter sponges. Good 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. High quality - Our pool filter foam are made of high quality sponge, the thickness is sufficient, the density is moderate, soft, not easy to distort, ecological, washable, reused, durable, has a long service life, perfect for s1-type filters. reusable & washable - Foam filter for spa Can be used for about 2 months. You can clean filter sponges once a week to keep clean water and reduce bacteria in the pool, our filter element is easy to clean and install. Application - Our Foam Washable Filter Suitable Type S1 and most market pool filters, keep the pool, aquarium and clean spa. Do you want to save the huge cost of cleaning the pool? Is it still difficult to find a filter sponge adapted to replace disposable pool filters? With Kateluo Foam filter cartridge, you can solve the problem above, they cleans more easily and are mostly reusable, which can actually reduce the cost. Good 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, slag, pine, insects and other floats flo Tarts efficiently. Save costs Our sponge cartridge filter are reusable and washable, it saves a lot of money from traditional filters. High density mesh structure High quality sponge Good flexibility Features: 1. The density of our foam filter is moderate, water permeability is also very good, it's very thick, not easy to foam, it can filter a lot of impurities in the pool. 2. We strongly recommend that you wash the filter element once a week. The life of the product will be affected by the filter performance, the water temperature and other factors. Features: Size: 10.8 x 7.3 x 4 cm Material: Sponge The package includes: 2 x Foam for swimming pool filter