Common use hplc vial sample with screw caps on stock. Albert””s Filter 2ml Clear Glass Autosampler Vial with Autosampler Vial,2ml HPLC Vial with Caps,9-425 Aijiren Vial with Blue Screw Caps,Writing Patch $2.99 ($0.22/ Count) In Stock. Sold by Nextirrer and ships from vial sample for wholesales Fulfillment. Inquiry.