EPA: Environmental Protection Agency American Lung Association AAAAI: American Academy of Allergy Asthma & Immunology AANMA: Allergy & Asthma Network Mothers of Asthmatics OSHA: US Department of Labor Environmental Health Center ASHRAE: American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. ACCA: Air Conditioning Contractors of America ARI: Air Conditioning & Refrigeration Institute NADCA: National Air Duct Cleaners Association NAFA: Filtera is a Member of and Subscribes to the National Air Filtration Association Code of Ethics Filtera puts the "A" in filter! Call Filtera Toll-Free: (888) 933-0100 Monday - Friday 8:30 am to 5:00 pm central time