Vial Inserts 350ul Glass Flat Bottom Pack of 100. Vial Inserts 50ul Glass w/Polypropylene Bottom Spring Pack of 1000. Vial Storage Rack Designed for 6, 10, or 20ml Headspace Vials, 36 Capacity, 5pk. Vial Storage Rack Designed for 6, 10, or 20ml Headspace Vials, 36 Capacity, 5pk. Vial Storage Rack for 12 x 32mm Vials, 50 Vial Capacity