Pool Filter Lab

Cartridge record

Unicel C-4305

Also sold asPleatco PMT45Pleatco PMT50Filbur FC-1617Filbur FC-1618Filbur FC-1630OnCore OC-514COEM 6540-497OEM 220142

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"
Length14-7/8"
Source values
  • unicel 14-7/8"
  • pleatco 14-3/4"
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
Pleats193
Source values
  • unicel 193
Filter area50 sq ft
Source values
  • unicel 50
  • pleatco 50
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-4305cross-checked against 3 sources
PleatcoPMT45single-source
PleatcoPMT50cross-checked against 2 sources
FilburFC-1617single-source
FilburFC-1618single-source
FilburFC-1630single-source
OnCoreOC-514Csingle-source
OEM6540-497single-source
OEM220142single-source
OEMCL-2807single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Advantage Mfg.——unicel single-source
Cal SpasSonfarrel 50-220152—pleatco single-source
Cal Spas——unicel single-source
Del Sol Hermosa—6540-497unicel single-source
Dolphin SpasSonfarrel 50-220152—pleatco single-source
Dolphin Spas——unicel single-source
Martec—CL-2807unicel single-source
Pageant SpasSonfarrel 50-220152—pleatco single-source
Pageant Spas——unicel single-source
Santana SpasSonfarrel 40-220142—pleatco single-source
Sonfarrel—220142unicel single-source
Sonfarrel/MartecSonfarrel 50-220152—pleatco single-source
Sundance SpasSonfarrel 50-220152—pleatco 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-4308

4-15/16" × 14-9/16"

cross-checked against 2 sources

4CH-926

4-15/16" × 13-1/2"

single-source

4CH-949

4-15/16" × 13-1/2"

cross-checked against 2 sources

C-4321

4-15/16" × 13-5/16"

single-source

C-4326

4-15/16" × 13-5/16"

cross-checked against 3 sources

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