12x24x1 MERV 1 Fiberglass Furnace and AC Air Filter, 4-Pack

Key features

4-PACK OF 12X24X1 AIR FILTERS: Includes four disposable HVAC replacement filters sized 12x24x1 inch for use in compatible residential furnaces, central air conditioners, and return vents., MERV 1 BASIC DUST FILTRATION: Fiberglass furnace filters capture common household dust before it reaches internal HVAC components, helping provide basic equipment protection during everyday use., LOW AIRFLOW RESISTANCE: Low initial pressure drop supports steady system airflow without placing unnecessary strain on compatible heating and cooling equipment for practical basic HVAC protection., DURABLE NESTED GLASS CONSTRUCTION: Continuous-filament spun-glass media adheres to a heavy one-piece chipboard frame that maintains its shape and resists corner separation during installation and use., UP TO 30-DAY REPLACEMENT CYCLE: Replace each disposable filter approximately every 30 days, especially during periods of frequent system use, to help maintain consistent airflow and equipment protection.. Built with Weight: 1.0 Pounds, Dimensions: 24.0 inches x 24.0 inches x 1.0 Inches, Model: 12x24x1-merv1-4pk.