Pool Filter Lab

Cartridge record

Unicel C-7697

Also sold asPleatco RC-PH150/155Filbur FC-6115OEM ST/TC 155

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 diameter7-1/2"
Source values
  • unicel 7-1/2"
  • pleatco 7-3/8"
Length29-1/16"
Source values
  • unicel 29-1/16"
  • pleatco 27-3/4"
Top cap/ 3-1/2" female thread/FPT
Source values
  • unicel / 3-1/2" female thread/FPT
  • pleatco 3 1/2 FPT
Bottom cap2-5/8" / open
Source values
  • unicel 2-5/8" / open
  • pleatco 2 5/8
Pleats200
Source values
  • unicel 200
Filter area155 sq ft
Source values
  • unicel 155
  • pleatco 155
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-7697cross-checked against 2 sources
PleatcoRC-PH150/155single-source
FilburFC-6115single-source
OEMST/TC 155single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
HarmscoFilter Model BF155ST/TC 155unicel single-source
HarmscoHarmsco RC Single Element 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-7413

7-1/2" × 28-15/16"

single-source

C-7414

7-1/2" × 28-15/16"

cross-checked against 2 sources

C-7419

7-1/2" × 21-7/8"

cross-checked against 2 sources

C-7418

7-1/2" × 20-13/16"

cross-checked against 2 sources

C-7685

7-1/2" × 19-1/2"

cross-checked against 2 sources

Find this cartridge

Outbound retailer searches are provided for convenience; Pool Filter Lab is not the seller.