Harmsco HCP Premium Hurricane Polyester Filter Cartridge have the maximum surface area of my Cartridge and are designed For the Harmsco Hurricane and Water Better Housings.
They offer high flow performance at much lower operating costs.

Model Number: Harmsco HC/90-1
Length: 19-1-2″
Diameter: 7-3/4″
Micron Rating (Nom.): 1
Surface Area: 90 ft 2
Filter Media: Polyester-Plus
Core: Molded ABS or rigid PVC
Endcaps: Pliable PVC with sealing surface built-in Flow Rate: 70 gpm