This is a Hurricane Filters 4 Pack HF7488-04 Advanced Pool Filter Cartridge PA-106. It is new in box. Compatible for Unicel: C-7488, PA106, Filbur: FC-1226, Hayward SwimClear C4030, C4025, C4020, C4520, Hayward Super-Star-Clear C4500, C4000, C4000S (stainless steel), Pentair Purex CF 105, and other compatible models. This product measures: Length 25.5 inches, outer diameter 7 inches, Top hole 3 inches, Bottom hole 3 inches.

This is a POOLNEAT 4-Pack PA-106 Replacement Pool Filter Cartridges. Filters are new in an unopened box. See compatibility list below. Replacement For PA106-PAK4, FC-1226Swim Clear C4030, C4025, C4020, CX880XRE, PA106-PAK4, C-7488, FC-1226, CX880XRE, Ultral-A1, C4030, C4025, C4020, FC-6430.