Easy-to-use vials offer fast sample filtration and requires only a squeeze of the fingers Minimize sample loss by eliminating multiple transfers Color-coded caps allow easy identification of 0.2 or 0.45 μm membranes in PVDF, PTFE, PES, or nylon Preslit PTFE/silicone caps help eliminate broken autosampler needles and cored septa Rugged polypropylene vial houses insert with 450 μL loading capacity and low dead volume (120 μL) Fits most standard 12 x 32 mm autosamplers, including UHPLC instruments