20x20x1 MERV 1 Fiberglass Furnace and AC Air Filters 4-Pack

Key features

4-PACK OF 20X20X1 AIR FILTERS: Includes four disposable HVAC replacement filters compatible with residential furnaces, central air conditioners, return vents, and other heating and cooling systems., MERV 1 BASIC DUST FILTRATION: Spun-glass media captures common household dust, lint, and larger airborne debris before they reach HVAC components, providing economical equipment protection., LOW AIRFLOW RESISTANCE: Low initial pressure drop supports steady airflow without adding unnecessary strain to compatible heating and cooling equipment, ideal for basic residential filtration., DURABLE NESTED CONSTRUCTION: Self-retaining fiberglass media adheres to a sturdy one-piece chipboard frame designed to resist corner separation, with a nested design for compact, space-saving storage., UP TO 30-DAY REPLACEMENT CYCLE: Each disposable filter is designed for up to 30 days of use; replace monthly during frequent heating or cooling periods to help maintain airflow and equipment protection.. Built with Weight: 1.0 Pounds, Dimensions: 20.0 inches x 20.0 inches x 1.0 Inches, Model: 20x20x1-merv1-4pk.