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.
Probable Cause is fair probability defined as facts and circumstances that would warrant a reasonable person to conclude the individual in question has committed a crime to support arrest or specific items related to criminal location to support a search. (1) Probable cause is an objective standard.