23.375x11.375x11.5 99.99% DOP HEPA M-Series BOX Fiberglass HC GDS41904HC $645.40 SKU: 41904HC Back $645.40 Quantity -+ Add to Cart Details 23.375x11.375x11.5 99.99% DOP HEPA M-Series BOX Fiberglass HC GDS DetailsBackDetails23.375x11.375x11.5 99.99% DOP HEPA M-Series BOX Fiberglass HC GDSSee MoreSee Less