24x18x12 MERV 14 Magna High Temp 900 M DH FG DSG24x18x12 MERV 14 Magna High Temp 900 M DH FG DSG $678.08 SKU: MAGAD2418B3P39 Back $678.08 Quantity -+ Add to Cart Details 24x18x12 MERV 14 Magna High Temp 900 M DH FG DSG DetailsBackDetails24x18x12 MERV 14 Magna High Temp 900 M DH FG DSGSee MoreSee Less