Pool Filter Lab

Cartridge record

Unicel C-8401

Also sold asPleatco PDM75Filbur FC-1970OEM 175689OEM R173579

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 diameter8-7/8"
Source values
  • unicel 8-7/8"
  • pleatco 8-7/8"
Length19-1/2"
Source values
  • unicel 19-1/2"
  • pleatco 19-1/2"
Top cap4" / open
Source values
  • unicel 4" / open
  • pleatco 4
Bottom cap4" / open
Source values
  • unicel 4" / open
  • pleatco 4
Pleats117
Source values
  • unicel 117
Filter area75 sq ft
Source values
  • unicel 75
  • pleatco 75
Media weight4 oz
Source values
  • unicel 4
  • pleatco 4

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-8401cross-checked against 2 sources
PleatcoPDM75single-source
FilburFC-1970single-source
OEM175689single-source
OEMR173579single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Dream Maker SpasPurex DM 75—pleatco single-source
Pentair Pool Prod - Purex ReplacementsDM-75 Filter175689unicel single-source
Pentair Pool ProdDM-75 FilterR173579unicel single-source
Pentair Pool Products / PurexPurex DM 75—pleatco 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-8405

8-7/8" × 39"

single-source

C-8406

8-7/8" × 39"

single-source

C-8408

8-15/16" × 19-5/8"

single-source

C-8499

8-15/16" × 19-11/16"

cross-checked against 2 sources

C-900

8-15/16" × 17-3/8"

single-source

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