Needle Seal (For pH 1-14, for operation up to 130 Back Catalog number: CTS-21089 Availability: In the manufacturer's stock Price on request - + Recommended CTS-5656 Sapphire Plunger Price on request CTS-3195 250μL Syringe Tip Price on request CTS-21075 Tube Assy, BSM Outlet to SM Price on request