lab efficiency chromatography sample vials screw top-HPLC Test Vials Lab 1.5ml 9mm Wide Opening Screw Glassware HPLC Autosampler 9-425 screw neck autosampler vial is packaged in PP box, 100pcs/pack; Screw cap and with septa is packaged in plastic bag, 100pcs/pack; Insert for 2ml glass Get Price Send Inquiry