Tag: MERV filter


Those CPS Air Purifiers Are A Cheap Solution

While you weren’t paying attention to local news yesterday, Chicago Public Schools announced they are spending $8.5 million to put an air purifier in each of their 20,000 classrooms. The district conducted its own inspection to ensure every classroom had access to either a working window or mechanically ventilated air supply and exhaust. So here’s the filter I’m using to…