Our website provides important information on how Knight products comply with the "Buy American" requirement of the American Recovery and Reinvestment Act of 2009.

“Being loyal to our distributors, making quality products, going above an beyond for our customers providing the best lead time in the industry and continuing to manufacture in the U.S., that is what Knight is all about” says founder Jim Knight.

From providing the finest quality stock filters to helping you find solutions to your most demanding needs, there is no liquid filtration problem that Knight Corporation can not help you solve. Whether one of Knight's stock bags will fill your need or a custom bag is required, you can be assured of prompt delivery and the highest quality product at the best possible cost. When you want it right the first time and every time, you want a Knight filter bag.