Dear Colorfil,
I have worked in the HVAC business for 30 years. I have experience in the installation and repair of HVAC units as well as the design of air conditioners.
During that time, I have seen all types of filters: pleated cotton, fiberglass electrostatic, HEPA, and so forth and so on. It is my opinion that the Colorfil filter is without a doubt the best HVAC air filter on the market.
Colorfil filters not just clean the air, they also remove chemical and biological odors, and that's n...