Harrington Industrial Plastics - Graver Technologies Logo

Graver Technologies, LLC offers a broad selection of high performance specialty filter membranes and pleated cartridges for the most demanding application environments.

Graver Technologies serves the industrial filtration, separation, and purification needs of companies around the world.

Graver Technologies, LLC makes filtration and separation products to eliminate impurities from water and air, serving the purification needs of companies around around the world. The company’s offerings include adsorbents, industrial air and gas filters, ion exchange resins, liquid filter cartridges, and stainless steel filter membranes for the most demanding application environments. The company serves the chemical, food and beverage, and pharmaceutical industries, along with operators of power plants.

The Harrington Difference
Providing over 60 years of exceptional service

Harrington is a Graver Techlogies distributor of various filter products. Call our toll-free number at 1-800-213-4528 and you will be connected to a live person – not a recordingYou can also use the contact form below for any questions regarding our line of Graver filter products.

Depth Filters

Cylindrical products with tortuous path for capturing wide range of particle sizes and gelatinous contaminant

Coax™ Series

Dual zone depth filter with bicomponent fibers

  • Dual zone depth filter
  • Outer nonwoven zone traps coarser particles
  • Inner zone has bicomponent polypropylene/polyethylene fibers for fine particle retention
  • Rigid construction resists media migration and particle unloading
  • Beta 10/90% efficient at labeled ratings of 0.5 to 25 micron

Crystal MBF Series

Economical Melt Blown Depth Filter Cartridges

  • NSF 61 Certified
  • Nominal Micron Ratings – 1, 3, 5, 10, 20, 30, 50, 75
  • Multi-zone construction for a true graded pore structure
  • 100% pure polypropylene – FDA listed, USP Class VI compliant
  • Continuous lengths up to 40″
  • Similar efficiencies to competitive products for ease of replacement
  • Bulk bag option for high volume users

MBC™ Series

Nominal rated melt blown depth filter cartridges with a core

  • Melt blown polypropylene depth filter cartridges
  • Nominal ratings from 1 to 75 microns
  • Molded center core for unsurpassed collapse strength
  • Non-shedding
  • Resists Dirt Unloading even at higher differential pressures
  • Graded pore structure for long on-stream life
  • Free of binders, adhesives and surfactants

Stratum™ A Series

Absolute Rated Melt Blown Filter Cartridges

  • Absolute retention ratings from 0.5 to 100 microns
  • Multi-zone melt blown depth filter with a graded pore structure for maximum dirt holding capacity
  • Thermally bonded fibers for high void volume and long on-stream life
  • Lot traceable filters come with certificate of conformance
  • 100% polypropylene FDA listed materials of construction
  • All components meet USP Class VI criteria and are safe for use in pharmaceutical applications
  • Molded center core for higher temperature and pressure capability

Stratum™ C Series

High Performance Melt Blown Filter Cartridges

  • Multi-zone melt blown depth filter with a true graded pore structure
  • Thermally bonded fibers for high void volume and long on-stream life
  • Available in precise 90% removal efficiencies from 0.5 to 100 microns
  • 100% polypropylene FDA listed materials of construction
  • All components meet USP Class VI criteria and are safe for use in pharmaceutical applications
  • Molded center core for higher temperature and pressure capability
  • Free of surfactants, binders, and adhesives

Pleated Filters

Pleated configuration provides higher surface area than depth filters for greater dirt holding capacity and longer on-stream life including large diameter high flow filters

GFC™ Series

Microfiberglass pleated filter cartridges with polypropylene hardware

  • Microfiberglass pleated filter cartridges with polypropylene hardware
  • Beta 10/90% efficiency rated at labeled rating of 0.2 to 30 microns
  • High surface area pleated construction delivers long on-stream life
  • Excellent flow characteristics

GFP™ Series

Microfiberglass pleated filter cartridges with polypropylene hardware

  • Polyester hardware extends application range beyond the limits of polypropylene
  • Higher temperature capability of 230°F (110°C)
  • Micron ratings from 0.2 to 30 µm– Broad application range
  • Uniform pore size– High removal efficiency
  • High surface area– High flow capability and dirt holding capacity
  • Long service life– Minimizes maintenance costs
  • Fixed pore construction– Eliminates dirt unloading at maximum differential pressure

High Flow GF Series Series

Large geometry, pleated filters with microfiberglass media for high flow applications

  • Large geometry filter – 6” diameter, up to 60” long
  • High efficiency microfiberglass media
  • Choice of polypropylene or polyester/acetal hardware
  • All thermally bonded construction
  • Handles flow rates up to 500 GPM
  • Inside-out flow for best retention of contaminant
  • Unique quad seal gasket provides excellent seal integrity
  • Retrofits competitive High Flow housings
  • Absolute retention ratings from 1 to 20 micron

PMA™ Series

Absolute rated, value priced, pleated polypropylene filter cartridges

  • Absolute rated, economical, pleated polypropylene filter cartridges
  • Beta 5000/99.98% retention ratings from 0.2 to 100 micron
  • Fixed fiber matrix resists contaminant unloading
  • FDA and USP Class VI compliant
  • All polypropylene hardware
  • Manufactured in continuous lengths;
  • up to 40”   

PMC™ Series

Nominal rated, value priced, pleated polypropylene filter cartridges

  • Nominal rated, economical pleated polypropylene filter cartridges
  • Nominal retention ratings from 0.2 to 50 micron
  • All polypropylene construction
  • Continuous lengths up to 40”
  • FDA and USP Class VI compliant

QCR™ Series

Cyst reduction rated pleated polypropylene filter cartridges

  • Cyst reduction rated pleated polypropylene filter cartridges
  • Provides a minimum log reduction credit of >3.0 for cysts based on the test requirements of the Long Term 2 Enhanced Surface Water Treatment Rule (LT2)
  • High surface area for high flow rates and long on-stream life
  • FDA and USP Class IV compliant
  • Constructed entirely of polypropylene 

QMA™ Series

Premium, absolute rated, high surface area, pleated polypropylene filter cartridges

  • Premium pleated polypropylene filter cartridges
  • Absolute rated at Beta 5000/99.98% efficiency from 0.2 to 10 micron
  • Highest surface area offered for excellent flow and high dirt holding capacity
  • FDA and USP Class VI compliant
  • Fixed pore structure resists dirt unloading as differential pressure increases

Buy your next Graver product from Harrington and experience the difference.

Can’t find what you’re looking for?

Call our toll-free number at 1-800-213-4528 and you will be connected to a live person – not a recording. You can also use the contact form above for any questions regarding Graver products.