Cartridge Filters & Housings

High Purity Northwest has numerous options for cartridge filters &  filter housings.  We can accommodate a wide range of flow rates and material requirements.   These include:

singleSingle Cartridge Housings

Constructed in 304L or 316L stainless steel, brass head with 304L stainless steel body or cast iron head and steel body; and available with wide variety of gaskets, our metallic housings are designed to be compatible with most fluids and work in a wide range of applications. Our plastic housings are constructed of FDA materials and offer a high-quality, economical alternative to metallic housings in applications with corrosives or sensitive fluids.


HFE Series
High Flow Eco, Single Element HousingHigh Flow Cartridge Filter Housing

These high flow, single element filter housings are an economical alternative to multi-cartridge housings.  Excellent flow and dirt holding characteristics.  Flow rates vary from 60 GPM to 150 GPM depending on filtration efficiency.  Connection sizes vary from 1″-2″.

More information can be found on our blog:



Multi-Cartridge Housings

Constructed of carbon steel, 304L or 316L stainless steel with either a clamp or swing bolt-style closures, these housings are the perfect for light duty or heavy industrial service. With flow rates that can exceed 1,000 GPM (3785 LPM), fittings that can be changed or moved to fit your specific needs and internals that can be made to accept your cartridge preference, these housings have the flexibility to meet your requirements.




astASME Cartridge Filter Housings

HPNW offers numerous standard and custom ASME Stainless Steel Cartridge Filter Housings with Beadblasted & Passivated or Electropolished Finishes.









Sanitary Cartridge Filter Housings

sanitaryEngineered with the Pharmaceutical and High Purity Industry in mind.

Complete line of housings with 1 to 12 cartridges to accommodate a variety of flow rates.

Three piece design, ensures complete draining and easy disassembly for cleaning. Removable separator plate permits access to all wetted surfaces.

Ground welds and Electropolished 316L stainless steel construction ensures product purity.

T-Style and Inline configurations allow flexible piping options.

Unique Opti-Clamp closure ensures maximum strength and ease of operation.

Materials of Construction

316L Stainless Steel

Silicone O-ring for maximum chemical resistance and

durability with optional EPDM and Viton.

Stainless steel eye bolts.

Pressure Rating

Maximum Operating Pressure: 125 psi @ 200 ƒF

Test Pressure: 165 psi @ 75 ƒF

Surface Finishes

Electropolished <20 Ra interior and exterior.

Cartridge Connections

222 Code 8 and 226 Code 7 style connections will accommodate all manufacturers cartridges.



String Wound Filter Cartridges


  • Our string wound elements are manufactured using high-speed, computer- controlled machines for perfect thread spacing
  • Customized patterns and spacing offered to adapt to your specialized applications
  • Our ink and paint elements have a 3-stage multi pattern winding process offering true depth loading and prevents core blinding
  • With 6 media selections and 13 micron ratings, we are sure to produce the element you require
  • All end cap configurations available to fit your existing housing
  • FDA polypropylene and cotton constructed elements are FDA acceptable under CFR title 21 for food and potable water contact
  • Standard diameters are 2.5 and 4.5 inches
  • Standard lengths from 9.75 up to 40 inches
  • “WS” String Wound Cartridges are Tested and Certified to:
    • NSF/ANSI 61 Standard &
    • NSF/ANSI 42 Standard for Component


Melt Blown Cartridges

BE Polypropylene & BN Nylon Series Elements


  • Our Melt Blown elements are manufactured with the fastest, most modern equipment ever produced, giving you the highest quality filter on the market today
  • Elements are made from 1 to 100 micron in standard, high efficiency, absolute and heavy duty grades, giving you control of your filtration process
  • Elements are also produced with an integrated 3 stage process yielding true depth filtration
  • All elements are made with FDA compliant material for food and beverage contact under CFR Title 21
  • Elements are produced in standard and custom sizes to meet all applications
  • End caps are thermally welded onto the cartridge with no use of glue or other binders
  • Elements are produced with 100% polypropylene or nylon materials
  • Elements can be produced with or without a core depending on your application
  • “BE” Melt Blown Cartridges are Tested and Certified to:
    • NSF/ANSI 61 Standard &
    • NSF/ANSI 42 Standard for Component


Pleated Cartridges

pleatedHigh Purity Northwest offers numerous pleated filter cartridge options including standard efficiency, high efficiency, high purity, absolute rated and membrane.  Call us with your requirements and we will work with you to find the correct cartridge for your requirement.



Mycelx Oil Removing Cartridges

mycelxMYCELX permanently removes oil and hydrocarbons from water.

You won’t find a more effective, low cost, ecologically friendly water treatment technology available today. With MYCELX’s breakthrough scientific technology, we are solving the world’s toughest problems in removing oil and hydrocarbons from water.

MYCELX can achieve oil removal to less than 1 ppm (part per million).

MYCELX is molecular cohesion, not just filtration. It’s true oil-free water technology.

MYCELX is used as after-treatment to our oil/water separator systems.



Custom Cartridge Filter Skids

High Purity Northwest specializes in custom filter skid packages.   We skid mount any of our cartridge filter housing options, pipe, add valves and any instrumentation/control panel you require.  Let us know your pump requirement and application information and we will handle the rest.

custom cartridge