Pool Filter Lab

Cartridge record

Unicel C-4950

Also sold asPleatco PRB50-INFilbur FC-2390OnCore OC-513KOEM 03FIL1600OEM 17-2380OEM 817-5000OEM 3301-2145OEM 5001

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
Pleats212
Source values
  • unicel 212
Filter area50 sq ft
Source values
  • unicel 50
  • pleatco 50
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-4950cross-checked against 3 sources
PleatcoPRB50-INcross-checked against 2 sources
FilburFC-2390single-source
OnCoreOC-513Ksingle-source
OEM03FIL1600single-source
OEM17-2380single-source
OEM817-5000single-source
OEM3301-2145single-source
OEM5001single-source
OEM6540-471single-source
OEM25391single-source
OEM100533single-source
OEM302005single-source
OEM373045single-source
OEM3005815single-source
OEMPRB 50INsingle-source
OEMR173434single-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Aber Hot TubRainbow Dynamic 50—pleatco single-source
Aber Hot Tubs (Canada)—03FIL1600unicel single-source
Accent SpasRainbow Dynamic 50—pleatco single-source
Accent Spas——unicel single-source
Acryx-Maax Spas (Canada)——unicel single-source
Acryx-Maax SpasRainbow Dynamic 50—pleatco single-source
Alps SpasRainbow Dynamic 50—pleatco single-source
Alps Spas——unicel single-source
American SpasRainbow Dynamic 50—pleatco single-source
American Spas——unicel single-source
Apollo SpasRainbow Dynamic 50—pleatco single-source
Apollo Spas——unicel single-source
Aqua Mystic SpasRainbow Dynamic 50—pleatco single-source
Aqua Mystic——unicel single-source
Aqua Tech SpasRainbow Dynamic 50—pleatco single-source
Aqua Tech Spas——unicel single-source
Aquaform-Infinity SpasRainbow Dynamic 50—pleatco single-source
Aquiform-Infinity Spas——unicel single-source
Arcadia Spas——unicel single-source
Arizona Pacific SpasRainbow Dynamic 50—pleatco single-source
Artesian SpasRainbow Dynamic 50—pleatco single-source
Artesian Spas——unicel single-source
Atera SpasRainbow Dynamic 50—pleatco single-source
Baja SpasRainbow Dynamic 50—pleatco single-source
Baja Spas——unicel single-source
Beachcomber SpasRainbow Dynamic 50—pleatco single-source
Beachcomber—3005815unicel single-source
Belize SpasRainbow Dynamic 50—pleatco single-source
Belize Spas——unicel single-source
Blue Falls Manufacturing (Canada)Rainbow Dynamic 50—pleatco single-source
Blue Falls Mfg. Ltd. (Canada)——unicel single-source
Blue Pacific SpasRainbow Dynamic 50—pleatco single-source
Blue Pacific Spas——unicel single-source
Bullfrog SpasRainbow Dynamic 50—pleatco single-source
Bullfrog Spas——unicel single-source
Cal SpasRainbow Dynamic 50—pleatco single-source
Cal Spas——unicel single-source
Caldera Spas—302005unicel single-source
Charisma SpasRainbow Dynamic 50—pleatco single-source
Charisma Spas——unicel single-source
Clipper SpasRainbow Dynamic 50—pleatco single-source
Clipper Spas——unicel single-source
Coast Mountain Spas (Canada)Rainbow Dynamic 50—pleatco single-source
Coast Mountain Spas (Canada)——unicel single-source
Coast Spas (Canada)Rainbow Dynamic 50—pleatco single-source
Coast Spas (Canada)——unicel single-source
Coleman SpasRainbow Dynamic 50—pleatco single-source
Coleman Spas—100533unicel single-source
Coleman Spas—3301-2145unicel single-source
Columbia Spas——unicel single-source
Crystal Water Spas (Canada)Rainbow Dynamic 50—pleatco single-source
Crystal Waters Spas (Canada)——unicel single-source
Custom Molded ProductsRainbow Dynamic 50—pleatco single-source
Dakota SpasRainbow Dynamic 50—pleatco single-source
Del Sol HermosaJ200 Series373045unicel single-source
Del Sol Hermosa—6540-471unicel single-source
Diamond Back Spas——unicel single-source
Diamond SpasRainbow Dynamic 50—pleatco single-source
Discovery SpasRainbow Dynamic 50—pleatco single-source
Discovery Spas——unicel single-source
Dynamic Series II & III - RTL/RCFDynamic Series II & III - RTL/RCF—unicel single-source
Dynamic Series II & III - RTL/RCFDynamic Series IV - DFM,DFML17-2380unicel single-source
Dynamic Series IV - DFM,DFMLDynamic Series I RDC-50—unicel single-source
Dynamic Series IV - DFM,DFMLDynamic Series I RDC-50S—unicel single-source
Dynamic Series IV - DFM,DFMLDynamic Series II & III RTL/RCF-50—unicel single-source
Dynamic Series IV - DFM,DFMLDynamic Series IV - DFM,DFMLR173434unicel single-source
Dynasty SpasRainbow Dynamic 50—pleatco single-source
Dynasty Spas——unicel single-source
Emerald Spas——unicel single-source
Executive——unicel single-source
Four Winds Spa——unicel single-source
Freedom SpasRainbow Dynamic 50—pleatco single-source
Gatsby Spas——unicel single-source
GPM Industries Spas (Great Lakes Home And Resort)Rainbow Dynamic 50—pleatco single-source
Great Lakes Home & Resort——unicel single-source
Grecian Spas/Discovery SpasRainbow Dynamic 50—pleatco single-source
Gulf Coast Spas——unicel single-source
Haugh’s SpasRainbow Dynamic 50—pleatco single-source
Haughs——unicel single-source
Haven SpasRainbow Dynamic 50—pleatco single-source
Haven Spas——unicel single-source
Hawkeye SpasRainbow Dynamic 50—pleatco single-source
Hawkeye Spas——unicel single-source
Heldor SpasRainbow Dynamic 50—pleatco single-source
Heldor Spas——unicel single-source
Honey TubsRainbow Dynamic 50—pleatco single-source
Honey Tubs——unicel single-source
Hydro SpaRainbow Dynamic 50—pleatco single-source
Hydro Spa——unicel single-source
Icon / Keyes SpasRainbow Dynamic 50—pleatco single-source
Icon Spas——unicel single-source
Infinity Spas - TN——unicel single-source
Islander SpasRainbow Dynamic 50—pleatco single-source
Islander Spas——unicel single-source
J.E.M. SpasRainbow Dynamic 50—pleatco single-source
J.E.M. Spas——unicel single-source
Jacuzzi Premium SpasRainbow Dynamic 50—pleatco single-source
Leisure Bay SpasRainbow Dynamic 50—pleatco single-source
Leisure Bay Spas——unicel single-source
Leisure Bay/Rec WarehouseRainbow Dynamic 50—pleatco single-source
Maax Spas (Canada) / Coleman SpasRainbow Dynamic 50—pleatco single-source
Maax Spas of AZ—100533unicel single-source
Marathon SpasRainbow Dynamic 50—pleatco single-source
Marathon Spas——unicel single-source
Midwest Spas——unicel single-source
Millennium SpasRainbow Dynamic 50—pleatco single-source
Millennium Spas——unicel single-source
Moonwater SpasRainbow Dynamic 50—pleatco single-source
Moonwater Spas——unicel single-source
Morgan SpasRainbow Dynamic 50—pleatco single-source
Morgan Spas——unicel single-source
Northwest SpasRainbow Dynamic 50—pleatco single-source
Northwest Spas——unicel single-source
Orca Bay SpasRainbow Dynamic 50—pleatco single-source
Orca Bay Spas—5001unicel single-source
Pageant SpasRainbow Dynamic 50—pleatco single-source
Pageant Spas——unicel single-source
Pentair Pool Products / Rainbow PlasticsRainbow Dynamic 50—pleatco single-source
Phoenix SpasRainbow Dynamic 50—pleatco single-source
Phoenix Spas——unicel single-source
QCA SpasRainbow Dynamic 50—pleatco single-source
QCA——unicel single-source
Rainbow——unicel single-source
Rising Dragon——unicel single-source
River Valley SpasRainbow Dynamic 50—pleatco single-source
River Valley Spas——unicel single-source
Rubadub Tub SpasRainbow Dynamic 50—pleatco single-source
Rubadub Tub——unicel single-source
Safari SpasRainbow Dynamic 50—pleatco single-source
Safari Spas——unicel single-source
Seahorse SpasRainbow Dynamic 50—pleatco single-source
Seahorse Spas——unicel single-source
Sequoia Design——unicel single-source
Sequoia SpasRainbow Dynamic 50—pleatco single-source
Sierra Spas——unicel single-source
Signature SpasRainbow Dynamic 50—pleatco single-source
Signature Spas——unicel single-source
Sonoma SpasRainbow Dynamic 50—pleatco single-source
Sonoma Spas——unicel single-source
Southwest IndustriesRainbow Dynamic 50—pleatco single-source
Southwest Spas——unicel single-source
Spa Crest SpasRainbow Dynamic 50—pleatco single-source
Spa Crest——unicel single-source
Spas Direct——unicel single-source
Streamline SpasRainbow Dynamic 50—pleatco single-source
Streamline Spas——unicel single-source
Strong Industries——unicel single-source
Sun Coast Spas——unicel single-source
Sun Ray Spas (Canada)Rainbow Dynamic 50—pleatco single-source
Sun Ray Spas (Canada)——unicel single-source
Sun West Spas——unicel single-source
Sunbelt SpasRainbow Dynamic 50—pleatco single-source
Sunbelt Spas——unicel single-source
Suncountry SpasRainbow Dynamic 50—pleatco single-source
Suncountry Spas——unicel single-source
Sundance SpasRainbow Dynamic 50—pleatco single-source
Sunrise SpasRainbow Dynamic 50—pleatco single-source
Sunrise Spas——unicel single-source
Sunset SpasRainbow Dynamic 50—pleatco single-source
Sunset Spas——unicel single-source
Superior SpasRainbow Dynamic 50—pleatco single-source
Superior Spas——unicel single-source
Tiara SpasRainbow Dynamic 50—pleatco single-source
Tiara Spas——unicel single-source
Tiger River Spas/Hot SpringsRainbow Dynamic 50—pleatco single-source
Top Load PressureTop Mount Skim25391unicel single-source
Tuff SpasRainbow Dynamic 50—pleatco single-source
Tuff Spas——unicel single-source
US Spas——unicel single-source
US Tooling & Spa——unicel single-source
Us Tooling & SpasRainbow Dynamic 50—pleatco single-source
Vita SpaRainbow Dynamic 50—pleatco single-source
Vita Spas—PRB 50INunicel single-source
Warm Springs Spa——unicel single-source
Waterway PlasticsRainbow Dynamic 50—pleatco single-source
Waterway PlasticsTop load (in-line) 50 sq.ft.—unicel single-source
Waterway PlasticsTWM Cartridge Filter Pack817-5000unicel single-source
Waterway Plastics——unicel single-source
Wind River SpasRainbow Dynamic 50—pleatco single-source
Wind River Spas——unicel 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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