More than any single event in history, Covid-19 made the world aware of the importance if indoor air quality. At Lehman's Inc, we have always encouraged our customers to install the best filters, humidifiers, and air purification systems like the Reme Halo shown in the picture INDOOR AIR CONTAMINATION Believe it or not, the air inside our homes today is far less healthy than it used to be because modern homes are so "tight" and insulated so well that they don't "breathe" like