23.375x23.375x11.5 99.99% DOP HEPA M-Series BOX Fiberglass HC GDS41903HC $814.32 SKU: 41903HC Back $814.32 Quantity -+ Add to Cart Details 23.375x23.375x11.5 99.99% DOP HEPA M-Series BOX Fiberglass HC GDS DetailsBackDetails23.375x23.375x11.5 99.99% DOP HEPA M-Series BOX Fiberglass HC GDSSee MoreSee Less