Type A Pool Filter: Type A replacement filter element to keep your hot tub or swimming pool clean, washable sponge, filter is made of high quality polyester fiber < /p> Dimensions: diameter: 20.0 x 10.0cm (Length x Width) / 7.87in x 3.94in; suitable for all pool models that require type A filters, perfect compatibility Premium material: filters dirt in the pool, cleans the water source from pool and ensures a clean and hygienic flow of water. A reusable foam filter can cut your costs Ultra Clear Filtration: Size A pool filter can be clean and fresh. Easy to clean, it is recommended to replace it every week. The swimming pool is clean and hygienic, it provides a comfortable and safe swimming pool environment for your family and friends Keep the pool clean: the filter element filter of swimming pool A is an essential accessory for every swimming pool, which helps keep your swimming pool water in good, clean and hygienic condition. Continuous water pool filter. Product Description Specifications: < /p> Type: filter sponge. Material: sponge. Dimensions (H x D x H ): 20 x 10 x 4 cm. Center drilled hole: approx. 0.40 mm. Net weight: 25 g. Packaging: 6 filter sponges.