Darlly Filter 42521 Spa Filter Replaces Pleatco PRB25-IN-4, Unicel C-4625, and FC-2370

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Darlly 42521 Replacement Cartridge Filter

25 sq.ft. fits Rainbow Plastics, Waterway Plastics, Custom Molded Products and more.

Diameter 4-15/16"|125mm
Length 13-5/16"|338mm
Top 2-1/8" open(54mm)
Bottom 2-1/8" open(54mm)
Media 4 oz
Surface Area 25 sq.ft
Replaces Unicel: C-4625      Filbur: FC-2370      Pleatco: PRB25-IN-4   Pentair: 17-2325
OEM Pentair /17-2325,Alps Spas,Aries Spas,Blue Pacific Spas,Hydro Pool, 25 sq. ft. Rainbow, Waterway Plastics, Custom Molded Products,

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