Pool Filter Lab

Cartridge record

Unicel C-4311

Also sold asPleatco PDS45Filbur FC-2394

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 diameter4-15/16"
Source values
  • unicel 4-15/16"
  • pleatco 5"
Length12-1/4"
Source values
  • unicel 12-1/4"
  • pleatco 12-1/8"
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
Pleats212
Source values
  • unicel 212
Filter area45 sq ft
Source values
  • unicel 45
  • pleatco 45
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-4311cross-checked against 2 sources
PleatcoPDS45single-source
FilburFC-2394single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Dakota SpasDakota Spas 45—pleatco single-source
Dakota Spas——unicel single-source

Source notes

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-4332

4-15/16" × 11-7/8"

cross-checked against 2 sources

C-4430

4-15/16" × 11-7/8"

single-source

C-4340

4-15/16" × 11-5/8"

cross-checked against 2 sources

C-4339

4-15/16" × 11-1/4"

cross-checked against 3 sources

C-4321

4-15/16" × 13-5/16"

single-source

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