Pool Filter Lab

Cartridge record

Unicel C-2303

Also sold asPleatco PRB8.5Filbur FC-2324OEM 17-0052

cross-checked against 2 sources

Verified specifications

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

Cartridge specifications
Outside diameter2-7/8"
Source values
  • unicel 2-7/8"
  • pleatco 2-7/8"
Length17-1/16"
Source values
  • unicel 17-1/16"
  • pleatco 17-1/16"
Top cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 1 1/16
Bottom cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 1 1/16
Pleats150
Source values
  • unicel 150
Filter area8.5 sq ft
Source values
  • unicel 8.5
  • pleatco 9
Media weight3 oz
Source values
  • unicel 3
  • pleatco 3

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-2303cross-checked against 2 sources
PleatcoPRB8.5single-source
FilburFC-2324single-source
OEM17-0052single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Emerald SpasRainbow Chloro—pleatco single-source
Emerald Spas——unicel single-source
Pentair Pool Prod - Rainbow PlasticsChloro cartridge17-0052unicel single-source
Pentair Pool Products / Rainbow PlasticsRainbow Chloro—pleatco single-source
RainbowChloro—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.

C-2607

2-7/8" × 14-11/16"

single-source

C-2912

2-7/8" × 14-11/16"

single-source

C-2608

2-7/8" × 19-1/2"

single-source

C-2612

2-7/8" × 19-1/2"

cross-checked against 2 sources

C-2308

2-7/8" × 9-3/4"

single-source

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