Thermo Fisher hplc vial caps in amber for Aijiren autosampler hplc vials and caps in amber for liquid autosampler with high quality Sigma Thermo Scientific™ 8mm Amber Glass Crimp Top Vials - Fisher Sci Re-usable sleeves support the crimped, sealed vials in the correct position in autosampler carousels or in racks and allow movement of the vials as a unit to injection positions in both GC and