Pool Filter Lab

Cartridge record

Unicel 6CH-402

Also sold asOEM PMA40L-F2M

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 diameter6"
Source values
  • unicel 6"
Length9-1/2"
Source values
  • unicel 9-1/2"
Top cap/ semi-circular handle
Source values
  • unicel / semi-circular handle
Bottom cap/ 2” male thread/MPT
Source values
  • unicel / 2” male thread/MPT
Pleats204
Source values
  • unicel 204
Filter area40 sq ft
Source values
  • unicel 40
Media weight3 oz
Source values
  • unicel 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
Unicel6CH-402single-source
OEMPMA40L-F2Msingle-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Master SpasTwilight SeriesPMA40L-F2Municel single-source
Unicel40 sq.ft. top load—unicel single-source

Browse related equipment

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-6601

6" × 9-3/4"

cross-checked against 2 sources

6CH-35

6" × 9-7/8"

cross-checked against 3 sources

6CH-47

6" × 9-1/8"

cross-checked against 3 sources

C-6433

6" × 9"

cross-checked against 2 sources

C-6330

6" × 10-1/2"

cross-checked against 2 sources

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

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