Unicel C-9440 replacement cartridge fits the following filter models:

     Hayward SwimClear Single Element C100S
NOTE:  Filter top and bottom ends are both open w/molded gasket and 4 inch inside diameter

Specifications
Unicel C-9440 replaces Hayward original pool filter cartridge CX100XRE/CS100E
Part number as seen on the filter cartridge:  CS100E

NOTE  Can also use Pleatco PA100S

Manufacturer
Unicel

Sq. Ft.
100

OD
10-5/16"

Length
19-5/8"

Media
4 ounce

Pleat Count
131

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