Keyword: 'CERTI'. Certified CD™ Vial (Center Draining) Kit, 9 mm thread with cap/septa, unassembled. Certified CD ™ Vial (Center Draining) Kit, 9 mm thread with cap/septa, unassembled. Product Number. Product Description. SDS. 29307-U. volume 1.5 mL, clear glass vial, PTFE/silicone, pkg of 100 ea.