Pool Filter Lab

Cartridge record

Unicel C-7678

Also sold asPleatco PFAB50Filbur FC-1920OnCore OC-711COEM 17-4981OEM R173297

cross-checked against 3 sources

Verified specifications

The selected value is shown first. Expand any row to compare the source values retained by the dataset.

Cartridge specifications
Outside diameter7-7/8"
Source values
  • unicel 7-7/8"
  • pleatco 7-9/16"
Length11-1/8"
Source values
  • unicel 11-1/8"
  • pleatco 11-15/16"
Top cap3-1/16" / open
Source values
  • unicel 3-1/16" / open
  • pleatco 3
Bottom cap3-1/16" / open
Source values
  • unicel 3-1/16" / open
  • pleatco 3
Pleats152
Source values
  • unicel 152
Filter area50 sq ft
Source values
  • unicel 50
  • pleatco 50
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-7678cross-checked against 3 sources
PleatcoPFAB50cross-checked against 2 sources
FilburFC-1920single-source
OnCoreOC-711Csingle-source
OEM17-4981single-source
OEMR173297single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Pentair Pool Prod - Pac Fab ReplacementsMytilus FMY 5017-4981unicel single-source
Pentair Pool ProdMytilus FMY 50R173297unicel single-source
Pentair Pool Products / Pac FabPac Fab MY 50—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-7463

7-7/8" × 13-3/16"

cross-checked against 2 sources

C-7660

7-7/8" × 14"

cross-checked against 3 sources

C-7464

7-7/8" × 17-3/4"

single-source

C-7680

7-7/8" × 22-1/8"

cross-checked against 3 sources

C-7699

7-7/8" × 22-1/8"

cross-checked against 3 sources

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