6)9mm screw blue open top pp caps. What products you can provide currently ·Syringe Filters, Sample Vials, Membrane Filter, Filter Paper, Vacuum Pump, Filtration Manifolds, SPE Cartridges, Flash Columns, HPLC Columns. 1.5ml/1.8ml Crimp Neck Vials ND11,wide opening sampler vial with matched Aluminum Crimp Seals ND11, PTFE/rubber septa & Micro