Pool Filter Lab

Cartridge record

Unicel C-4625

Also sold asPleatco PRB25-IN-4Filbur FC-2370OnCore OC-513EOEM 17-2325

cross-checked against 3 sources

Verified specifications

The selected value is shown first. Expand any row to compare the source values retained by the dataset.

Cartridge specifications
Outside diameter4-15/16"
Source values
  • unicel 4-15/16"
  • pleatco 5"
Length13-5/16"
Source values
  • unicel 13-5/16"
  • pleatco 13-5/16"
Top cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 2 1/8
Bottom cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 2 1/8
Pleats106
Source values
  • unicel 106
Filter area25 sq ft
Source values
  • unicel 25
  • pleatco 25
Media weight4 oz
Source values
  • unicel 4
  • pleatco 4

Equivalent part numbers

Match the complete printed string. Similar-looking part numbers can describe different end caps or lengths.

Cross-reference equivalents
BrandPart numberVerification
UnicelC-4625cross-checked against 3 sources
PleatcoPRB25-IN-4cross-checked against 2 sources
FilburFC-2370single-source
OnCoreOC-513Esingle-source
OEM17-2325single-source

Known equipment fits

Fitments are source-attributed. Confirm the housing model and cartridge measurements before ordering.

Filter and spa fitments
BrandModelOEM partSource
Alps Spas——unicel single-source
Aries Spas——unicel single-source
Blue Pacific Spas——unicel single-source
Dynamic Series II & III - RTL/RCFDynamic Series 1 - Model RDC—unicel single-source
Dynamic Series II & III - RTL/RCFDynamic Series II & III - RTL/RCF—unicel single-source
Dynamic Series II & III - RTL/RCFDynamic Series IV - DFM,DFML17-2325unicel single-source
Esther Williams——unicel single-source
Haughs——unicel single-source
Heldor Spas——unicel single-source
Hydro Pool Industries——unicel single-source
J.E.M. Spas——unicel single-source
Pentair Pool Products / Rainbow PlasticsRainbow Dynamic 25—pleatco single-source
Rainbow——unicel single-source
Sequoia Design——unicel single-source
Warm Springs Spa——unicel single-source
Waterway Plastics——unicel single-source

Browse related equipment

Dimension neighbors

Records with the same outside diameter and a different length appear first, followed by the closest diameters. End-cap details still need to match.

4CH-926

4-15/16" × 13-1/2"

single-source

4CH-949

4-15/16" × 13-1/2"

cross-checked against 2 sources

C-4311

4-15/16" × 12-1/4"

cross-checked against 2 sources

C-4308

4-15/16" × 14-9/16"

cross-checked against 2 sources

C-4332

4-15/16" × 11-7/8"

cross-checked against 2 sources

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