This Unicel filter has never been used. However, it was removed from its packaging, which explains the few small stains on the folds (photo 2). It filters perfectly well, and it will have the same life span as a new filter.
Diameter: 203 mm (8")
Length: 149 mm (5 7/8")
Bottom: 2" SAE thread (60-61 mm outside diameter)
Measure the length of the filter EXCLUDING the handle and the threaded pipe.
Spa manufacturers who use this filter