The Minimum Efficiency Reporting Value (MERV) scale (1–16) measures how well a filter captures particles. What is a MERV rating? | US EPA
Size is the most critical factor; an ill-fitting filter allows unfiltered air to bypass the system. central air conditioning filters buy
When buying central air conditioning filters, you must balance air filtration quality with your system's airflow requirements to avoid equipment damage. 1. Find Your Filter Size The Minimum Efficiency Reporting Value (MERV) scale (1–16)
Residential filters are typically 1 inch thick, but high-efficiency systems may use 4- or 5-inch filters. 2. Choose the Right MERV Rating central air conditioning filters buy