Pool Filter Lab

Cartridge record

Unicel C-4616

Also sold asPleatco PC16Filbur FC-3735OEM F-225OEM F-335OEM F-345

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 diameter4-3/4"
Source values
  • unicel 4-3/4"
  • pleatco 4-3/4"
Length16"
Source values
  • unicel 16"
  • pleatco 16-1/16"
Top cap1-1/4" / open
Source values
  • unicel 1-1/4" / open
  • pleatco 2 7/16
Bottom cap2-7/16" / open
Source values
  • unicel 2-7/16" / open
  • pleatco 1 15/16
Pleats57
Source values
  • unicel 57
Filter area12 sq ft
Source values
  • unicel 12
  • pleatco 13
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-4616cross-checked against 2 sources
PleatcoPC16single-source
FilburFC-3735single-source
OEMF-225single-source
OEMF-335single-source
OEMF-345single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
ColecoColeco F-750; w/core—pleatco single-source
ColecoDR-16—unicel single-source
ColecoF-750—unicel single-source
ColecoF-775—unicel single-source
ColecoF-850—unicel single-source
ColecoF-875—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.

C-4601

4-3/4" × 18"

cross-checked against 2 sources

C-4618

4-3/4" × 18"

cross-checked against 2 sources

C-4611

4-3/4" × 11"

cross-checked against 2 sources

C-4307

4-3/4" × 8"

cross-checked against 2 sources

C-4309

4-3/4" × 8"

cross-checked against 2 sources

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