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About

Keystone filters, cartridges, and filter housings are designed for industrial and residential air and liquid filtration applications. The company is a major supplier to OEM manufacturers, and provides innovative solutions through development of new filtration products for difficult industrial air and liquid applications and potable water applications.

Major Markets:
  • Deionized water
  • Process water
  • Food & beverage
  • Membrane pre-filtration
  • Bottled water
  • Cosmetics
  • Inks
  • Photographic solutions
  • Medical
  • Nuclear power
  • Aircraft
  • High efficiency air filtration
  • Military
  • Home drinking water
  • Chemical
  • Pharmaceutical
  • Semiconductor

Primary Products:

  • Custom pleating
  • Custom cartridges
  • Industrial liquid filters
  • Drinking water filters
  • Bag filters & housings
  • Air filters
  • UL listed HEPA filters
  • Panel filters
  • Filter cartridges
  • Filter housings
  • GIANT high flow housings, cartridges & bags






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Supplier Directory Categories

Keystone Filter is listed in these categories: