Pool Filter Lab

Cartridge record

Unicel 6CH-975

Also sold asOEM 817-4175OEM FIL11700016

single-source

Verified specifications

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

Cartridge specifications
Outside diameter6-3/4"
Source values
  • unicel 6-3/4"
Length15-1/2"
Source values
  • unicel 15-1/2"
Top cap/ semi-circular handle
Source values
  • unicel / semi-circular handle
Bottom cap/ 2" SAE thread
Source values
  • unicel / 2" SAE thread
Pleats163
Source values
  • unicel 163
Filter area75 sq ft
Source values
  • unicel 75
Media weight3 oz
Source values
  • unicel 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
Unicel6CH-975single-source
OEM817-4175single-source
OEMFIL11700016single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Cal Spas—FIL11700016unicel single-source
Cal Spas——unicel single-source
Unicel75 sq.ft. top load—unicel single-source
Waterway Plastics—817-4175unicel single-source

Browse related equipment

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.

6CH-502

6-3/4" × 8"

cross-checked against 2 sources

C-6300

6-7/8" × 14-7/8"

cross-checked against 2 sources

C-6445

6-7/8" × 13-3/4"

cross-checked against 2 sources

C-6625

6-7/8" × 11-7/8"

cross-checked against 2 sources

C-6645

6-15/16" × 17-5/8"

cross-checked against 2 sources

This is a single-source record. Measure the cartridge before ordering.

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