23.375x23.375x11.5 99.97% DOP HEPA M-Series BOX Fiberglass HC GDS41901HC $763.08 SKU: 41901HC Back $763.08 Quantity -+ Add to Cart Details 23.375x23.375x11.5 99.97% DOP HEPA M-Series BOX Fiberglass HC GDS DetailsBackDetails23.375x23.375x11.5 99.97% DOP HEPA M-Series BOX Fiberglass HC GDSSee MoreSee Less