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Industrial filters, drinking water filters & custom filter products

Keystone Filter headquarters
Keystone Filter
a division of Met-Pro Corporation is headquartered in Hatfield, Pennsylvania, which is approximately 30 miles northwest of the city of Philadelphia. Keystone Filter manufactures a wide range of air and liquid filtration products for industrial, commercial and residential markets. These filter products include industrial liquid filters and home drinking water filters, filter cartridges and housings. Keystone Filter is also one of the premier custom pleaters and custom filter cartridge manufacturers in the United States.

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

Directions to Keystone Filter

 
Keystone Filter Division
2385 North Penn Road
Hatfield, PA 19440
Toll Free: 1-800-822-1963
Fax: 215-997-1839
E-mail: filters@keystonefilter.com
© 2007 Keystone Filter Division