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.
These nouns denote what brings about or is associated with an effect or result. A cause is an agent or condition that permits the occurrence of an effect or leads to a result: He is not only dull in himself, but the cause of dullness in others (Samuel Foote). Reason refers to what explains the occurrence or nature of an effect: There was no obvious reason for the accident.