aijiren 8mm Autosampler Inserts 250µL,MicroSert . These clear glass or polypropylene inserts for 8mm HPLC and GC autosampler vials are available in a variety of configurations with usable volumes ranging from 125-200μL. Pulled point inserts are an economical choice for non-critical appliions; This product(s) resides on a aijiren Tech Scientific