The 2ml Snap Vial provided by Aijiren is suitable for use on Waters Autosampler. The bayonet design of Snap makes the operation of capping Vial very convenient. Aijiren’s Snap Top Vial Cap is made of high-quality PP plastic, and can be customized in a variety of colors to meet customer needs. Rated 4.8 /5 based on 563 customer reviews.