12 x 33mm Snap & Seal Vials & Caps; 15 x 45mm Shimadzu Snap & Seal 4mL Vials; Head Space Vials. 18mm Screw Thread; 20mm Crimp Style; Custom Head Space Vial Holders; EPA/VOA & Scintillation Vials. EPA/VOA Vial kits – 2000 class; EPA/VOA Vial kits – 3000 class; Scintillation Vials & Caps; Scintillation Vials & Caps in Kits; Solid Cap Storage