Koch Filter Corp.

Shop the largest selection of AC and furnace filters at factory direct prices. We carry all standard and custom sizes of Furnace Filters, Air Filters, Water Filters, Humidifier Filters. Read More

Donaldson Company is a vertically integrated filtration company engaged in the production and marketing of air filters used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy and pharmaceuticals. Read More

Coperion and K-Tron Merger Provides World Class Expertise in Processing Equipment and Systems Engineering. Two global leaders have pooled their expertise to bring you the best in processing equipment and systems engineering. Coperion and K-Tron have joined forces, combining the knowledge, the... Read More