AAF Flanders 20" x 20" x 1" Nested FiberGlass MERV 1 Air Filter (4 Filters)

Keep your equipment operating at its full potential with these Flanders Precisionaire Nested Glass 20" X 20" X 1" Air Filters. They're made of the same standard-grade materials as those protecting furnaces and central air conditioners around the world for over 50 years. These Flanders air filters have a filtering medium made of a continuous filament spun glass that allows for maximum airflow and features a self-retaining media that adheres directly to the frame for added resistance to wear. For peak equipment protection and energy efficiency, change them monthly.

Protects heating and air conditioning equipment without causing additional strain Nested construction allows for efficient storage Each filter lasts up to 30 days UL Class 2 Maximum air flow alleviates strain on equipment Self-retaining media adheres directly to the frame