Tube Assy, SSV to I2V Back Catalog number: CTS-A11374 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0720 Inlet Check Valve Assembly Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request 11-3883 Needle Assembly Price on request