High-quality material: the s1 filter is made of high-quality PU sponge. The filter sponge pond filters have good flexibility, a high load capacity, are not easily deformed and damaged and are durable.Reusable: the regular replacement of the filter sponge pond filter is part of the daily maintenance of the pool, the pool filter cartridge can be cleaned and reused many times, you do not need to replace the filter sponge frequently, which can reduce your maintenance costs.Good filter effect: the filter sponge adopts a mesh structure with high density. It can filter many impurities in the swimming pool, effectively filter sediments and particles and prevent the accumulation of sediments. It has a fast filtration speed, good air permeability and can be used for a long time.Size: the pool filter cartridge measures 10.8 x 7.3 cm. Centre hole: 4cm Specially designed for the S1 filter, its small size makes it easy to carry, store and replace. 1 foam pool filter can be used for about 2 months.Applicable places: this filter is suitable for swimming pools, bathtubs, spas, bathrooms, aquariums and other places. Our foam pool filters fit most swimming pool filters on the market and keep swimming pools, aquariums and spas clean.Filter sponge, specially designed for S1 filters, are well permeable, thick, durable, ensure efficient water flow and reduce blockages.These washable and reusable filter sponge pond filters reduce your costs compared to the paper filter S1. It can meet the requirements of frequent filter change in swimming pools and keep the swimming pool crystal clear.The filter sponge has a moderate density that can filter many impurities in the pool and effectively remove floating residues such as leaves, grass, hair, insects etc.The filter sponge can be cleaned once a week to keep the water clean and reduce bacteria in the pool.Although these filter cartridges can be reused after washing, we recommend replacing the pool filter cartridge every 2 weeks to keep the pool clean better.The s1 filter offers you and your family a crystal clear pool or tub for relaxing moments in a clean and comfortable environment.Specifications:(Please confirm the required size before purchase.)Type: pool filter cartridge type S1Material: spongeDimensions: 10.8 x 7.3 cmHole in the centre: 4 cmColour: bluePackage contents:3 x pool filter cartridges.Note:You need to remove these pool filter cartridges for shock chlorination, as over-chlorination can lead to the breakdown of the foam.Recordatorio amistoso: ¡nuestros productos pueden emitir facturas o recibos, (elige uno)!___________________________________________________________________________________________________________ ___Estimado comprador, Bienvenido a mi tienda. Cuando compre más de 19,990 pesos en nuestra tienda, ¡disfrutará del servicio de envío gratuito!La URL de nuestra tienda es: https://listado.mercadolibre.cl/_CustId_1372594663Tenemos muchos tipos de productos, y puede consultar aquí para ver si hay una demanda.___________________________________________________________________________________________________________ ___Puede elegir servicios de transporte de mercado flexibles. Si realiza un pedido antes de la 1:00 p.m. al día, enviaremos los productos el mismo día. Si supera, enviaremos los productos a la mañana siguiente. Debido a que hay más envíos al día siguiente, puede haber un pequeño retraso. Por favor, comprenda___________________________________________________________________________________________________________ ___Estimados clientes, si tiene alguna pregunta y contácteme directamente, le daremos una respuesta satisfactoria. Para nosotros, la satisfacción del cliente es la primera.Finalmente, disfrutemos de la vida, espero que seas feliz todos los días.