1.1ml Microliter Vials, conical, with round glass 3.5.11 HPLC and GC Certified Vial KITs (Short Thread Vials and Short Thread Seals ND9). Certified Vials, Caps, Septa, & Inserts - NET sample vials, inserts, caps, and seals are guaranteed to ensure problem-free, 10 and 20 mL screw- or crimp-top, with round or flat bottom.