Pool Filter Lab

Cartridge record

Unicel C-7400

Also sold asPleatco PTL50XW-OBFilbur FC-3098

cross-checked against 2 sourcesDiscontinuedReplacement: 7CH-50

Verified specifications

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

Cartridge specifications
Outside diameter7"
Source values
  • unicel 7"
  • pleatco 7"
Length14-3/4"
Source values
  • unicel 14-3/4"
  • pleatco 14-3/4"
Top cap/ semi-circular handle
Source values
  • unicel / semi-circular handle
  • pleatco Handle
Bottom cap1-7/8" / open
Source values
  • unicel 1-7/8" / open
  • pleatco 1 9/10 Slip
Pleats143
Source values
  • unicel 143
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-7400cross-checked against 2 sources
PleatcoPTL50XW-OBsingle-source
FilburFC-3098single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Gold KeyGold Key Replacement Cartridge—pleatco single-source
Goldkeyskim filter—unicel single-source
Phoenix SpasGold Key Replacement Cartridge—pleatco single-source

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-7442

7" × 14-3/16"

cross-checked against 3 sources

C-7447

7" × 14-3/16"

cross-checked against 3 sources

C-7458

7" × 14-3/16"

cross-checked against 2 sources

C-7377

7" × 14-1/8"

single-source

C-7469

7" × 14-1/8"

cross-checked against 3 sources

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