24x12x11.5 99.97% DOP HEPA M-Series BOX Fiberglass HC GDS41900HC $612.00 SKU: 41900HC Back $612.00 Quantity -+ Add to Cart Details 24x12x11.5 99.97% DOP HEPA M-Series BOX Fiberglass HC GDS DetailsBackDetails24x12x11.5 99.97% DOP HEPA M-Series BOX Fiberglass HC GDSSee MoreSee Less