Oasis Anti-Microbial Filters. Suitable for Oasis standard spas, screw bottom Oasis Spas Replacement Cartridge Filter Element Used as a replacement element on Oasis Spas with the bayonet fitting (mid 2020 onwards) and coarse thread fitting (prior to 2020). Filter Dimensions Length: 210mm (not including spigot) Diameter: 138mm *Please note due to manufacturing tolerances there may be a slight variation to the above measurements.
