Keystone Filter - - a CECO Environmental Company

Keystone Filter - - a CECO Environmental Company

Keystone Filter is a leading provider of filtration solutions, offering a wide variety of technologies that are adaptable and scalable for a broad range of filtration and purification applications. Markets served include medical, pharmaceutical, nuclear, aircraft, process chemicals, commercial printing and various water markets ranging from home drinking water filters to commercial and industrial water treatment systems. Keystone Filter is also one of the premier cartridge filter manufacturers in the United States, offering standard and custom designs that utilize state-of-the-art filtration media technology.

Company details

2385 North Penn Road , Hatfield , Pennsylvania 19440 USA
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Business Type:
Industry Type:
Water Filtration and Separation
Market Focus:
Globally (various continents)

Keystone filters, cartridges, and filter housings are designed for industrial and residential filtration applications. The company is a major supplier to original equipment manufacturers, and provides innovative solutions through development of new filtration products for difficult industrial air and liquid applications and potable water applications. Keystone provides products to many high end customers including the United States military and the nuclear and aircraft industries.

Industrial Filters
Keystone Filter manufactures a wide range of air, liquid, and gas filtration products for industrial and commercial markets including industrial high purity, food and beverage, printing, liquid recycling and process water treatment. These products include industrial liquid filters, filter housings and replacement filter cartridges. Filter cartridges are available in a wide range of media including polypropylene, microfiberglass, nanofibers, polyester, cellulose and activated carbon. An exclusive filter bag line is also available. Standard, GIANT and GIANT bag housings are offered in a variety of materials including blue polypro, clear SAN, pure polypro, reinforced nylon and stainless steel.

Drinking Water Filters
As a leading manufacturer of home drinking water filters and solutions, Keystone Filter offers a complete line of standard filters, giant filters and whole house filters plus replacement cartridges, parts and accessories. Our filters are designed to solve a wide range of drinking water filtration problems including dirt, rust and sediment removal; taste and odor removal; chemical contaminant and scale removal; and lead/cyst reduction. Cartridge types include pleated element, string wound, spun bonded, and activated, granular and carbon block in half, full, double and giant sizes.

Custom Pleating and Custom Cartridges
Keystone Filter offers unique capabilities for design and production of custom filtration products. Our pleated filter media and cartridges help assure the highest possible purity levels for air, liquids and gases in critical applications found in chemical and pharmaceutical research and processing, electronic device production, food processing, nuclear power generation and many others. Our special ability to pleat a wide variety of media materials in many different configurations has brought us to the vanguard of this technology.