Features:1.Replacement Filters - Get purer, cleaner water in your pool or spa with these Compatible Replacement Cartridge Filters.2.Size Length: Inner Diameter: 52mm; Outer Diameter: 140mm; Height: 254mm 3.Extended pool life: can help extend the life of each filter and protect your pool or spa as you can keep one filter active while cleaning the other for zero filter downtime.4.Easy to clean: Filtration products are durable and easy to clean, so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filtration materials make your water clearer and easier to clean.5.Replaced Regularly: Pool filters are part of your pool cleaning routine and should be replaced regularly. Applicable models bestway IV, INTEX BNotice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementDescription:Material: non-woven?PPModel: Inner Diameter: 52mm; Outer Diameter: 140mm; Height: 254mm includes:1*Pool Filter