Autosampler vials and caps. Shop By Price. $0.00 - $153.00. $153.00 - $211.00. $211.00 - $269.00. $269.00 - $327.00. $327.00 - $385.00. Stellar Scientific is growing our inventory of glass autosampler vials and caps to better support our analytical chemistry and biochemistry customers. We offer vials in the most common shapes and sizes in both