Pool Filter Lab

Cartridge record

Unicel UHD-SR100

Also sold asPleatco PSR100-4Filbur FC-2550OEM 177009OEM WC108-58S2X

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 diameter8-11/16"
Source values
  • unicel 8-11/16"
  • pleatco 8-3/4"
Length25-11/16"
Source values
  • unicel 25-11/16"
  • pleatco 25-7/8"
Top cap4-3/16" / open
Source values
  • unicel 4-3/16" / open
  • pleatco 4 1/8
Bottom cap4-3/16" / open w/ 12 concentric slots
Source values
  • unicel 4-3/16" / open w/ 12 concentric slots
  • pleatco 4 1/8
Pleats195
Source values
  • unicel 195
Filter area102 sq ft
Source values
  • unicel 102
  • pleatco 100
Media weight4 oz
Source values
  • unicel 4
  • pleatco 4

Equivalent part numbers

Match the complete printed string. Similar-looking part numbers can describe different end caps or lengths.

Cross-reference equivalents
BrandPart numberVerification
UnicelUHD-SR100cross-checked against 2 sources
PleatcoPSR100-4single-source
FilburFC-2550single-source
OEM177009single-source
OEMWC108-58S2Xsingle-source

Known equipment fits

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

Filter and spa fitments
BrandModelOEM partSource
Sta-Rite IndustriesSta-Rite TX 100—pleatco single-source
Sta-RitePosi-Flo 100GPM-TX177009unicel single-source
Sta-RitePosi-Flo 100GPM-TX—unicel single-source
Sta-RitePosi-Flo 100TX—unicel single-source
Sta-RitePosi-Flo 100TXR—unicel single-source
Sta-RitePosi-Flo II PTM100—unicel single-source
Sta-RitePosi-Flo T-100TX—unicel single-source
Sta-RitePosi-Flo T-100TXR—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.

UHD-SR137

8-11/16" × 31-1/4"

cross-checked against 2 sources

UHD-SR70

8-11/16" × 18-3/16"

cross-checked against 2 sources

UHD-SR135

8-11/16" × 34-1/2"

cross-checked against 2 sources

UHD-SR50

8-11/16" × 13-5/16"

cross-checked against 2 sources

UHD-SR35

8-11/16" × 9-3/4"

cross-checked against 2 sources

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