Unfortunately, most furnace filters are slid in place without an airtight seal, which allows air to pass around the filters. This problem is worse for the higher-efficiency MERV filters because of the increase in air resistance.
Common Cause is a network of people working to help rebalance cultural values to create a more equitable, sustainable and democratic society. 1  We are all shaped by our culture.
1 Non causa pro causa: (literally no cause for a cause) in general, the fallacy of making a mistake about the ascription of some cause to an effect. 2  This is the general category of false cause..