100% Band new and high quality.Compatible models: -0359 PWW50, Filbur -0359, Unicel 6CH-940. waterways 817-0050Round hold filter core: Avoid collapse under heavy loading. Water clarity and pure. Quality of longer service life. Prevent pleats flutter on water pressure.Filter can be clean by pipe water every 4 weeks, in order to keep your spa hot tub water quality excellent, you need to prepare more filters for regular replacement.Aperture: 46.5mmColor: white+blueMaterial: PP non-woven fabric + ABSPackage Contents:1 x filter elementOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.