Pool Filter Lab

Cartridge record

Unicel C-8320

Also sold asPleatco PSD125Filbur FC-2750OEM 6540-482

cross-checked against 2 sourcesDiscontinuedReplacement: C-8325

Verified specifications

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

Cartridge specifications
Outside diameter8-7/16"
Source values
  • unicel 8-7/16"
  • pleatco 8-1/2"
Length18-1/8"
Source values
  • unicel 18-1/8"
  • pleatco 18-1/4"
Top cap/ castle
Source values
  • unicel / castle
  • pleatco Castle
Bottom cap2-1/2" / open w/ beveled edge
Source values
  • unicel 2-1/2" / open w/ beveled edge
  • pleatco 2 5/8
Pleats200
Source values
  • unicel 200
Filter area120 sq ft
Source values
  • unicel 120
  • pleatco 125
Media weight3 oz
Source values
  • unicel 3
  • pleatco 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
UnicelC-8320cross-checked against 2 sources
PleatcoPSD125single-source
FilburFC-2750single-source
OEM6540-482single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Crystal Water Spas (Canada)Sundance 120—pleatco single-source
Crystal Waters Spas (Canada)——unicel single-source
Del Sol Hermosa—6540-482unicel single-source
Sundance SpasSundance 120—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-8325

8-7/16" × 18"

cross-checked against 2 sources

C-8326

8-7/16" × 19"

cross-checked against 3 sources

C-8327

8-7/16" × 19"

single-source

C-8380

8-7/16" × 14"

cross-checked against 3 sources

C-800

8-1/2" × 17-3/8"

single-source

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