E-Z Flow Heavy Duty Air Filter, MERV 4, 20 x 20 x 1-Inch, 12-Pack
Brand: Flanders
Categories: Tools & Home Improvement, Building Supplies, HVAC, Furnace Parts & Accessories, Furnace Filters


Metal media retainers on both sides for maximum strength
Keeps equipment clean for efficient operation
Change filters monthly for peak energy efficiency

Brand: Flanders
Material: Metal
MERV Rating: 4
Compatible Devices: Furnace