This 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.

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