Air Rite Service Supply is one of the Midwest US's largest and most well-known distributors of air filters with over 100,000 air filters in stock. They are authorized distributors for more than 30 major brands including Purolator, Glasfloss, Aprilaire, Flanders, RP, White Rodgers, Honeywell, and Johnson Controls. They also manufacture special size, odd size and custom air filters to order, virtually any air filter for HVAC applications.