Cartridge record

Unicel C-5325

Name: Unicel C-5325 filter cartridge
Brand: Unicel
SKU: C-5325

Also sold asPleatco PLW25Filbur FC-3100Filbur FC-3107OEM o-ring

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 diameter	5-7/8" Source values unicel 5-7/8" pleatco 6"
Length	6" Source values unicel 6" pleatco 6-1/2"
Top cap	/ semi-circular handle Source values unicel / semi-circular handle pleatco Handle
Bottom cap	/ male slip fitting w/ molded o-ring Source values unicel / male slip fitting w/ molded o-ring pleatco 2 3/8 Slip
Pleats	171 Source values unicel 171
Filter area	25 sq ft Source values unicel 25 pleatco 25
Media weight	3 oz Source values unicel 3 pleatco 3

Match the complete printed string. Similar-looking part numbers can describe different end caps or lengths.

Cross-reference equivalents
Brand	Part number	Verification
Unicel	C-5325	cross-checked against 2 sources
Pleatco	PLW25	single-source
Filbur	FC-3100	single-source
Filbur	FC-3107	single-source
OEM	o-ring	single-source

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

Filter and spa fitments
Brand	Model	OEM part	Source
Aquasports	—	o-ring	unicel single-source
Pelican Pools	Season Master 25/Molded “O” ring	—	pleatco single-source
Seasonmaster / Leisure Workshop	Season Master 25/Molded “O” ring	—	pleatco single-source

Records with the same outside diameter and a different length appear first, followed by the closest diameters. End-cap details still need to match.

5-7/8" × 12-3/4"

5-7/8" × 12-3/4"

5-7/8" × 15-5/8"

5-7/8" × 19-1/4"

5-7/8" × 19-1/4"

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