This Unicel 4CH-949 Cartridge Filter is 50 square foot and is used in select hot tubs model on brands such as Dynasty Spas, Four Winds Spas, Garden Leisure, Master Spas, Passion Spas, Premium Leisure, Rising Dragon, Sunrise Spas and Waterway Plastics.
Replaces: PA-4949, PWW50L, FC-0172
Dimensions
Width (outside diameter): 5”
Height/Length: 13 1/16” ( note this is the height of the filter not including the threaded base )
Interior Diameter: 1 1/2” w/ SAE FEM
Closed Top with handle
SAE FEM threading at the bottom