Features: Reliable and durable: The swimming pool filter pump backup cap is made of high quality PVC material, which is durable and reliable, safe and firm, no peculiar smell, and can be used for a long time to bring you great convenience. Convenient: This part of the above ground swimming pool is practical and practical. When you replace the filter, it can be used in the swimming pool to stop the water and bring you a pleasant experience. Features: Material: PVC Dimensions: 5.4 x 2.9 x 2.9 cm Colour: black or blue Contents: 10 pool stoppers. br/> Notes: Due to manual measurement, there may be tolerance in the size of the product.