18x36x1 Air Filters

These 18x36x1 high-efficiency pleated AC filters are available in five options ranging from MERV 8 to MERV 13. You may wonder which to choose, so we have our Filter Comparison Chart here to help you. We are proud to say that all of our air filters are made in the USA using raw materials sourced from US companies. We work hard to produce a quality product and prepare your order for shipment as quickly as possible. We enjoy helping our customers, so please do not hesitate to contact us if you would like our assistance!