SC721 Filter£20.45PriceQuantityAdd to CartDimensions Length 13 cm Diameter 20 cm Filtration sq. ft. ---- Top 12cm Hole Bottom 12cm Hole Filter CodesDarlly Code : PP2002 Pleatco Code: --- Unicel Code: --- To Fit Spa BrandsThis is a replacement for the Sundance Spas Micro Clean filter cartridge and is used in conjunction with the C-8380 75 sq ft pleated filter cartridge - SC722 This micro clean filter cartridge is disposable (cannot be cleaned) and must be replaced every 3-4 months to ensure proper spa filtration and equipment operation. Sundance Spas Part No. 6540-502 use with 6540-501 Filter ManufacturerDarlly Darlly are one of the biggest manufacturers of replacement filter cartridges in the world. Darlly filters are made from Reemay material which is the highest quality spun bonded polyester material which doesn't fray, tear and is resistant to Chlorine, Bromine & Acid.