Cartridge record

Unicel C-5350

Name: Unicel C-5350 filter cartridge
Brand: Unicel
SKU: C-5350

Also sold asPleatco PLW50Filbur FC-3101OEM 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	12-3/4" Source values unicel 12-3/4" pleatco 13-1/16"
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 5/16 Slip
Pleats	161 Source values unicel 161
Filter area	50 sq ft Source values unicel 50 pleatco 50
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-5350	cross-checked against 2 sources
Pleatco	PLW50	single-source
Filbur	FC-3101	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
Seasonmaster / Leisure Workshop	Season Master 50/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" × 15-5/8"

5-7/8" × 19-1/4"

5-7/8" × 19-1/4"

5-7/8" × 6"

5-7/8" × 6"

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