20x20x12 MERV 14 Magna Series ASHRAE Cell, Metal Double HeaderMAGGD2020B3OX $377.20 SKU: MAGGD2020B3OX Back $377.20 Quantity -+ Add to Cart Details 20x20x12 MERV 14 Magna Series ASHRAE Cell, Metal Double Header DetailsBackDetails20x20x12 MERV 14 Magna Series ASHRAE Cell, Metal Double HeaderSee MoreSee Less