Pool Filter Lab

Cartridge record

Unicel 4CH-65

Also sold asPleatco PTL65H-PFilbur FC-0171OEM 07OEM 1561-06OEM 1561-07

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 4-7/8"
Length19-5/8"
Source values
  • unicel 19-5/8"
  • pleatco 19-1/2"
Top cap/ molded cone handle
Source values
  • unicel / molded cone handle
  • pleatco Handle
Bottom cap/ 1-1/2” male thread/MPT
Source values
  • unicel / 1-1/2” male thread/MPT
  • pleatco PAD AD
Pleats217
Source values
  • unicel 217
Filter area65 sq ft
Source values
  • unicel 65
  • pleatco 65
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
Unicel4CH-65cross-checked against 2 sources
PleatcoPTL65H-Psingle-source
FilburFC-0171single-source
OEM07single-source
OEM1561-06single-source
OEM1561-07single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Dimension One SpasDimension One—pleatco single-source
Dimension One Spas—1561-06unicel single-source
Dimension One Spas—1561-07unicel single-source
Unicel65 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-4440

4-5/8" × 16-3/4"

cross-checked against 2 sources

4CH-35

4-5/8" × 16"

cross-checked against 3 sources

C-4350

4-5/8" × 23-3/4"

single-source

4CH-940

4-5/8" × 15"

cross-checked against 2 sources

4CH-50

4-5/8" × 14-3/4"

cross-checked against 3 sources

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