Waters hplc vial inserts with mandrel interior and polymer feet for lab use-Aijiren Hplc Vials Free sample hplc insert conical for lab use Aijiren 2020-09-21 China Laboratory Vial Manufacturers,Suppliers,buy conical micro insert for wholesales 1. 1.5ml/2ml Short screw Thread ND9,wide opening,9mm thread hplc vial with matched PP Screw caps ND9