20x24x1 Merv 13 Wire Back Pleat HVAC Air Filter, Case of 4

Aerostar MERV 13 Pleat filter is specifically designed to meet the air filtration efficiency required to gain points toward certification in the Leadership in Energy and Environmental Design (LEED) Green Building rating system. This compact design allows minimum restriction to air flow while providing exceptionally high MERV 13 efficiency. Keep coils, diffusers, ductwork and much cleaner while removing pollen and allergens from the occupied space.Available in nominal depths of 1?, 2? and 4?, Low resistance to air flow reduces energy costs, Eliminates need to retrofit to achieve high MERV value, 100% synthetic media is moisture resistant and will not promote biological growth,