20x20x6 MERV 11 Magna 800 Series ASHRAE Cell, Metal Double HeaderMAGGD2020A1OX $241.08 SKU: MAGGD2020A1OX Back $241.08 Quantity -+ Add to Cart Details 20x20x6 MERV 11 Magna 800 Series ASHRAE Cell, Metal Double Header DetailsBackDetails20x20x6 MERV 11 Magna 800 Series ASHRAE Cell, Metal Double HeaderSee MoreSee Less