Harmsco WB-90SC WaterBetter Up-Flow Filter 100 GPM

Sku: 370-WB-90SC-BASE

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Harmsco WB WaterBetter single-cartridge filters deliver high flow, extended filter life, increased dirt holding capacity and ease of operation.

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Product Description

Product Description

Harmsco® WaterBetter® Single Cartridge Filter Housings - Model WB-90SC

Lower Operation Cost

Harmsco® WB WaterBetter® single-cartridge filters deliver high flow, extended filter life, increased dirt holding capacity and ease of operation.


  • Patented Up-flow design
  • NSF Certified (All 2" Models)
  • CPVC standpipe (standard) - stainless steel optional
  • Reduced installation cost
  • Simple alternative to complex multiple cartridge housings
  • Electropolished 304 stainless steel housing
  • Fail Safe closure system
  • Extensive choice of cartridge micron ratings and media, including carbon block


  • Commercial/Residential Drinking Water
  • Industrial Waste Water Treatment
  • Surface Water Treatment Rule (SWTR) LT2
  • P.O.E. for household
  • Ground Water Under Direct Influence (GUDI)
  • Cooling Tower Filtration
  • Reverse Osmosis Pre-filtration
  • Desalination Pre-filtration (coated option)
  • Ground Water Remediation
  • Utility Water

Filter Specifications

  • Electropolished 304 stainless steel
  • Standpipe - CPVC
  • Rim gaskets - EPDM (Buna-N, Viton available)
  • Pressure - 150 psi (10 bar) max.
  • Temperature - 140˚F (60˚C) max. Up to 200˚F (93˚C) with optional stainless steel standpipe and high temperature cartridges installed
  • Wing nuts - brass
  • BSTP optional


  • 316 Stainless Steel
  • 1" or 2" In/Out
  • Stainless Stand Pipe
  • 3M Scotchkote 134 Fusion-Bonded Epoxy Coating (specifically for sea water and chemical compatibility)




  • A - Filter Height:  29-3/8"
  • B - Drain:  4-1/2"
  • C - Diameter:  13"
  • D - Outlet:  3-7/8"
  • E - Inlet:  4-1/4"
  • Pipe Size:  1" or 2" NPT
  • Drain Size:  1" NPT
  • Floor Space:  15" x 15"
  • Service Height:  51"

Coat Option


3M™ Scotchkote 134 Fusion-Bonded Epoxy Coating is a one-part, heat curable, thermosetting epoxy coating designed for corrosion protection of metal.  The epoxy is 
applied to preheated steel as a dry powder which melts and cures to a uniform coating thickness.  This bonding process provides excellent adhesion and coverage on applications such as valves, pumps, pipe drains, hydrants and porous castings.  Scotchkote 134 coating is resistant to wastewater, corrosive soils, hydrocarbons, harsh chemicals, and sea water.  Powder properties allow easy manual or automatic application by electrostatic or air-spray equipment.

  • Suitable for elevated temperature service in presence of H2S, CO2, CH4, crude oil and brine.
  • Long-term performance history in water, sewage, and other service environments.
  • Scotchkote 134 coating has been tested and  certified to ANSI/NSF Standard 61, Drinking Water System Components.
  • Scotchkote 134 FBEC meets the requirements of AWWA Standard C213 and C550.
  • Operating temperature dry is 235°F/ 113°C

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Additional Information

Additional Information

Availability Ships From Manufacturer
Manufacturer Harmsco
Dimensions Height 29-3/8”
Diameter 13”
Inlet 4-5/8”
Outlet 4”
Drain Size 4-5/8"
Floor Space - 15 X 15"
Service Height 51"
Shipping Wt. Lbs 51
Pipe sizes, inlet & outlet 1"NPT
Pipe size, drain 1NPT
Warranty Manufacturer's Warranty

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Ratings & Reviews

Ratings & Reviews

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Product FAQs

Product FAQs

  • regarding the Harmsco WB 90SC-2 , if I use a carbon block filer will I still be able to get the maximim or near max flow rate of 100GPM ?

    Absolutely not – the carbon cartridge is rated at 10 GPM. (see link)

    Call one of our certified water specialists at 800-608-8792 to help find a solution.

  • Are your filtration systems have a dirty particle drain on the bottom so you can flush the filter without taking the filter out each time to clean it. I work at a wastewater plant and whichever unit we buy is going to have to clean effluent water. It will be used in a Tritan Belt press for it's water source and the water has to run through tiny nozzles to distribute the water on the belts. There are a lot of particles in the water so a filter will have to be cleaned almost every day. That is why I'm asking the question.

    If you are using this with a belt press, are you running the filtrate through the filter or is this runoff from the outside of the belts?  Either way can be fine, but I would recommend a Harmsco Hurricane filter.  It has a catch basin that will collect large solids.  The collection chamber can be blown down throughout the day to empty the basin.  We can also put a solenoid valve and timer on the unit and blow down at a regimented time interval.  Here is a Hurricane filter link.  Please look at the video at the bottom of the page;