The Complete Source For All Your Air Filtration & Cleanroom Needs
ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) standard filters are mainly used in HVAC air handlers and clean room housing units. They are made with various efficiencies also known as Merv rating. CFS sells ASHRAE standard filters in efficiencies of 65% (Merv 11), 85% (Merv 13), and 95% (Merv 14). If you need a different efficiency than what is listed above we can special order the filter for you.