Cartridge record

Unicel C-8450

Name: Unicel C-8450 filter cartridge
Brand: Unicel
SKU: C-8450

Also sold asPleatco PCS50NFilbur FC-3310OnCore OC-809AOEM 3301-2261OEM 100593

cross-checked against 3 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	8" Source values unicel 8" pleatco 8-3/32"
Length	9" Source values unicel 9" pleatco 8-7/8"
Top cap	2-1/16" / open Source values unicel 2-1/16" / open pleatco 2 1/8
Bottom cap	/ 2” male slip fitting Source values unicel / 2” male slip fitting pleatco 2 1/3 Slip
Pleats	193 Source values unicel 193
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-8450	cross-checked against 3 sources
Pleatco	PCS50N	cross-checked against 2 sources
Filbur	FC-3310	single-source
OnCore	OC-809A	single-source
OEM	3301-2261	single-source
OEM	100593	single-source

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

Filter and spa fitments
Brand	Model	OEM part	Source
Coleman Spas	Coleman Spas 50	—	pleatco single-source
Coleman Spas	—	100593	unicel single-source
Coleman Spas	—	3301-2261	unicel single-source
Maax Spas of AZ	—	100593	unicel 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.

8" × 9-1/4"

8" × 6-3/4"

8" × 11-5/8"

8" × 6"

8" × 5-3/4"

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