Pool Filter Lab

Cartridge record

Unicel C-2608

Also sold asOEM 17-2021OEM R173325

single-source

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"
Length19-1/2"
Source values
  • unicel 19-1/2"
Top cap1-1/16" / open
Source values
  • unicel 1-1/16" / open
Bottom cap1-1/16" / open
Source values
  • unicel 1-1/16" / open
Pleats41
Source values
  • unicel 41
Filter area8 sq ft
Source values
  • unicel 8
Media weight4 oz
Source values
  • unicel 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-2608single-source
OEM17-2021single-source
OEMR173325single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Filters (MX Series)Standard & High Sq.Ft. ModuleR173325unicel single-source
Pentair Pool Prod - Rainbow PlasticsLifeguard CL-1917-2021unicel single-source
Rainbow19—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-2302

2-7/8" × 17-1/16"

cross-checked against 2 sources

C-2303

2-7/8" × 17-1/16"

cross-checked against 2 sources

C-2607

2-7/8" × 14-11/16"

single-source

C-2912

2-7/8" × 14-11/16"

single-source

C-2308

2-7/8" × 9-3/4"

single-source

This is a single-source record. Measure the cartridge before ordering.

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