Factory Direct Filters is the industry's leading, direct-to-customer portal for The Filtration Group. Our business was founde ... d in 1942 and has grown into a manufacturer, distributor, and national service provider of a complete line of HVAC air filtration products. We manufacture 100% of the air filtration products we sell online from our very own state-of-the-art facilities across the USA. The range of products we produce include, premium MERV 6 fiberglass disposable filters, MERV 8, 11 and 13 pleated filters, deep pleated filters, HEPA, Ring Panel, Paint Media, V-banks, ASHRAE rated 65%, 85%, 95% efficient rigid box, and bag filters, panel and ring panel filters, as well as traditional polyester pads and frames. We stock all standard sizes and can custom-make and ship all hard-to-find sizes in 5 days or less. read more