Pool Filter Lab

Cartridge record

Unicel C-3305

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 diameter3-1/8"
Source values
  • unicel 3-1/8"
Length3-1/2"
Source values
  • unicel 3-1/2"
Top cap1-1/8" / open
Source values
  • unicel 1-1/8" / open
Bottom cap1-1/8" / open
Source values
  • unicel 1-1/8" / open
Pleats52
Source values
  • unicel 52
Filter area2 sq ft
Source values
  • unicel 2
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
UnicelC-3305single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Best Way——unicel single-source

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-3302

3-1/8" × 3-11/16"

cross-checked against 2 sources

C-3608

3-1/4" × 9-3/4"

cross-checked against 2 sources

C-3612

3-1/4" × 14-11/16"

cross-checked against 2 sources

C-2308

2-7/8" × 9-3/4"

single-source

C-2604

2-7/8" × 9-3/4"

cross-checked against 2 sources

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

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