Pool Filter Lab

Cartridge record

Unicel C-5396

Also sold asPleatco PCST80Filbur FC-2975OnCore OC-521AOEM 817-0098

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 diameter5-5/16"
Source values
  • unicel 5-5/16"
  • pleatco 5-9/16"
Length21-5/16"
Source values
  • unicel 21-5/16"
  • pleatco 21-3/8"
Top cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 2 3/16
Bottom cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 2 3/16
Pleats222
Source values
  • unicel 222
Filter area100 sq ft
Source values
  • unicel 100
  • pleatco 100
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-5396cross-checked against 3 sources
PleatcoPCST80cross-checked against 2 sources
FilburFC-2975single-source
OnCoreOC-521Asingle-source
OEM817-0098single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Coast Spas (Canada)Coast Spas 100,Waterway Plastics—pleatco single-source
Coast Spas (Canada)——unicel single-source
Waterway PlasticsCoast Spas 100,Waterway Plastics—pleatco single-source
Waterway PlasticsTop load (in-line) 100 sq.ft.817-0098unicel 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-5397

5-5/16" × 17-13/16"

cross-checked against 3 sources

C-5374

5-5/16" × 14-13/16"

cross-checked against 3 sources

C-5623

5-5/16" × 13-9/16"

single-source

C-5351

5-5/16" × 30-1/8"

cross-checked against 3 sources

C-5345

5-5/16" × 10-1/8"

cross-checked against 3 sources

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