We have been manufacturing filtration products since 1945. That is 70 years+ of concentrating on one type of product. We only make filters and we're good at it. We do not pretend to make anything else. Filtration is our concentration. All products have been, are, and will be made only in the U.S. We have designed and engineered our complete product line of quality filtration products to meet exacting standards, giving our customers superior, cost-effective performance. We don't rest on our reputation of providing the best products, we strive to keep it. Please contact us anytime, in fact we encourage you to. We love talking filters. As our customer, what you say or ask is important to us. If you do not find what you are looking for on our website, contact us. We still may be able to help. Need a custom filter? Contact us. We may be able to help you with this, too.