178 x 133 LA Spas 45/85 Replacement CartridgeXLA Spas 45 85 replacement filter cartridge. Replaces LA Spa Aqua Kleen sock and frame. Has a closed flat top and the bottom has a wide fine thread spigot. Filter dimensions: Height 178mm(not including spigot), Width 133mm, Spigot ID 69mm. There is different measurements for the LA 45 85 as they are a retro fit for the Filter socks but they all work the same. Another common size is: Height 200mm x Width 127mm and same size spigot. Box QTY: 9