Pool Filter Lab

Cartridge record

Unicel C-4302

Also sold asPleatco PSS17.5Filbur FC-0183

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 diameter4-5/8"
Source values
  • unicel 4-5/8"
  • pleatco 5-1/8"
Length4-5/8"
Source values
  • unicel 4-5/8"
  • pleatco 4-3/4"
Top cap/ molded cone handle
Source values
  • unicel / molded cone handle
  • pleatco Handle
Bottom cap1-9/10" / open
Source values
  • unicel 1-9/10" / open
  • pleatco 2
Pleats177
Source values
  • unicel 177
Filter area12 sq ft
Source values
  • unicel 12
  • pleatco 17.5
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-4302cross-checked against 2 sources
PleatcoPSS17.5single-source
FilburFC-0183single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Comfort Line SpasComfort Line Spas; Softsider Spas; ICM—pleatco single-source
Comfort Line Spas——unicel single-source
Softsider SpasComfort Line Spas; Softsider Spas; ICM—pleatco single-source
Softsider Spas——unicel single-source

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.

4CH-15

4-5/8" × 5-3/16"

single-source

C-4314AM

4-5/8" × 6"

single-source

4CH-20

4-5/8" × 6-3/4"

cross-checked against 3 sources

4CH-920

4-5/8" × 6-3/4"

single-source

C-4303

4-5/8" × 6-3/4"

cross-checked against 2 sources

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