snap septa cap for HPLC vial-Aijiren HPLC Vials. 11mm Vials Closure, Septa and Cap for Snap Vials Lab Supplier. The temperature range of the snap top sample vials is 0-125 ° C, and the temperature range of the cap is -40-70 ° C. Features of Septa and Cap for Snap Vials. Small order acceptable Pre-assembled 11mm clear snap cap.