Buy conical insert for hplc system-HPLC Vial Inserts. Hot Selling 2ml HPLC Vial Insert for Sale-Aijiren Hplc Free sample hplc insert conical for lab use Aijiren 2020-09-2 China Laboratory Vial Manufacturers, Suppliers, buy conical micro insert for wholesales . .5ml/2ml Short screw Thread ND9, wide opening, 9mm thread hplc vial with matched PP Screw caps ND9, PTFE/silicone septa & Micro-Insert 2.