Pool Filter Lab

Cartridge record

Unicel C-4326

Also sold asPleatco PRB25-INFilbur FC-2375OnCore OC-513GOEM 17-2327OEM 817-2500OEM 2501OEM 3301-2242OEM 25392

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 diameter4-15/16"
Source values
  • unicel 4-15/16"
  • pleatco 5"
Length13-5/16"
Source values
  • unicel 13-5/16"
  • pleatco 13-5/16"
Top cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 2 1/8
Bottom cap2-1/8" / open
Source values
  • unicel 2-1/8" / open
  • pleatco 2 1/8
Pleats106
Source values
  • unicel 106
Filter area25 sq ft
Source values
  • unicel 25
  • pleatco 25
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-4326cross-checked against 3 sources
PleatcoPRB25-INcross-checked against 2 sources
FilburFC-2375single-source
OnCoreOC-513Gsingle-source
OEM17-2327single-source
OEM817-2500single-source
OEM2501single-source
OEM3301-2242single-source
OEM25392single-source
OEM33521single-source
OEM100586single-source
OEM303909single-source
OEM373045single-source
OEM3005845single-source
OEMM-4326single-source
OEMR173429single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Accent SpasRainbow Dynamic 25—pleatco single-source
Accent Spas——unicel single-source
Acryx-Maax Spas (Canada)——unicel single-source
Acryx-Maax SpasRainbow Dynamic 25—pleatco single-source
Alps SpasRainbow Dynamic 25—pleatco single-source
Apollo SpasRainbow Dynamic 25—pleatco single-source
Apollo Spas——unicel single-source
Aqua Mystic SpasRainbow Dynamic 25—pleatco single-source
Aqua Mystic——unicel single-source
Aries SpasRainbow Dynamic 25—pleatco single-source
Beachcomber SpasRainbow Dynamic 25—pleatco single-source
Beachcomber—3005845unicel single-source
Blue Falls Manufacturing (Canada)Rainbow Dynamic 25—pleatco single-source
Blue Falls Mfg. Ltd. (Canada)——unicel single-source
Blue Pacific SpasRainbow Dynamic 25—pleatco single-source
Coast Mountain Spas (Canada)Rainbow Dynamic 25—pleatco single-source
Coast Mountain Spas (Canada)——unicel single-source
Coleman SpasRainbow Dynamic 25—pleatco single-source
Coleman Spas—100586unicel single-source
Coleman Spas—3301-2242unicel single-source
Custom Molded ProductsEZ Twist Top Mount Skim—unicel single-source
Custom Molded ProductsRainbow Dynamic 25—pleatco single-source
Custom Molded ProductsTop Mount Skim25392unicel single-source
Dakota SpasRainbow Dynamic 25—pleatco single-source
Dakota Spas——unicel single-source
Del Sol HermosaJ200 Series373045unicel single-source
Diamond SpasRainbow Dynamic 25—pleatco single-source
Emerald SpasRainbow Dynamic 25—pleatco single-source
Emerald Spas——unicel single-source
Esther Williams SpasRainbow Dynamic 25—pleatco single-source
Filters (MX Series)Dynamic Series I RDC-25R173429unicel single-source
Filters (MX Series)Dynamic Series I RDC-25S—unicel single-source
Filters (MX Series)Dynamic Series II & III RTL/RCF-25—unicel single-source
GPM Industries Spas (Great Lakes Home And Resort)Rainbow Dynamic 25—pleatco single-source
Great Lakes Home & Resort——unicel single-source
Haugh’s SpasRainbow Dynamic 25—pleatco single-source
Heldor SpasRainbow Dynamic 25—pleatco single-source
Honey TubsRainbow Dynamic 25—pleatco single-source
Honey Tubs——unicel single-source
Hot Spot—33521unicel single-source
Hot Springs Spas—33521unicel single-source
Hydro SpaRainbow—pleatco single-source
Hydropool IndustriesRainbow Dynamic 25—pleatco single-source
Islander SpasRainbow Dynamic 25—pleatco single-source
Islander Spas——unicel single-source
J.E.M. SpasRainbow Dynamic 25—pleatco single-source
Leisure Bay/Rec WarehouseRainbow Dynamic 25—pleatco single-source
Maax Spas (Canada) / Coleman SpasRainbow Dynamic 25—pleatco single-source
Moonwater SpasRainbow Dynamic 25—pleatco single-source
Moonwater Spas——unicel single-source
Nordic Hot TubsRainbow Dynamic 25—pleatco single-source
Nordic Hot Tubs——unicel single-source
OnyxRainbow Dynamic 25—pleatco single-source
Orca Bay SpasRainbow Dynamic 25—pleatco single-source
Orca Bay Spas—2501unicel single-source
PDC SpasRainbow Dynamic 25—pleatco single-source
PDC Spas——unicel single-source
Pentair Pool Prod - Rainbow PlasticsDynamic Series I - Model RDC—unicel single-source
Pentair Pool Prod - Rainbow PlasticsDynamic Series IV - DFM,DFML17-2327unicel single-source
Pentair Pool Products / Pac FabRainbow Dynamic 25—pleatco single-source
Pentair Pool Products / Rainbow PlasticsRainbow Dynamic 25—pleatco single-source
QCA SpasRainbow Dynamic 25—pleatco single-source
QCA——unicel single-source
Rainbow——unicel single-source
Rec Warehouse—303909unicel single-source
Rec Warehouse—M-4326unicel single-source
River Valley SpasRainbow Dynamic 25—pleatco single-source
River Valley Spas——unicel single-source
Royal Spas——unicel single-source
Rubadub Tub SpasRainbow Dynamic 25—pleatco single-source
Rubadub Tub——unicel single-source
Safari SpasRainbow Dynamic 25—pleatco single-source
Safari Spas——unicel single-source
Sequoia SpasRainbow Dynamic 25—pleatco single-source
Seven Seas SpasRainbow Dynamic 25—pleatco single-source
Signature SpasRainbow Dynamic 25—pleatco single-source
Signature Spas——unicel single-source
Spa Manufacturers Inc.——unicel single-source
Streamline SpasRainbow Dynamic 25—pleatco single-source
Streamline Spas——unicel single-source
Sun Ray Spas (Canada)Rainbow Dynamic 25—pleatco single-source
Sun Ray Spas (Canada)——unicel single-source
Thermo Spas of Connecticut——unicel single-source
Thermo SpasRainbow Dynamic 25—pleatco single-source
Tiger River Spas/Hot SpringsRainbow Dynamic 25—pleatco single-source
US Spas——unicel single-source
Viking SpasRainbow Dynamic 25—pleatco single-source
Viking Spas——unicel single-source
Vita SpaRainbow Dynamic 25—pleatco single-source
Water’s Edge SpasRainbow Dynamic 25—pleatco single-source
Waters Edge Spas——unicel single-source
Waterway PlasticsTop load (in-line) 25 sq.ft.817-2500unicel single-source
Waterway PlasticsTWM Cartridge Filter Pack—unicel single-source
Waterway Plastics——unicel single-source
Watkins / Hot Springs SpasRainbow Dynamic 25—pleatco single-source
Zone Spas——unicel 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.

4CH-926

4-15/16" × 13-1/2"

single-source

4CH-949

4-15/16" × 13-1/2"

cross-checked against 2 sources

C-4311

4-15/16" × 12-1/4"

cross-checked against 2 sources

C-4308

4-15/16" × 14-9/16"

cross-checked against 2 sources

C-4332

4-15/16" × 11-7/8"

cross-checked against 2 sources

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