Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-3195 250μL Syringe Tip Price on request CTS-10984 Sparge Diffuser Price on request CTS-21085 Rotor Seal, 6 port, -COH Price on request