Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-4152 Tubing D-L Assembly Price on request CTS-21347 Plunger Seal Price on request CTS-21192 Cartridge, BioAcquity, I2V Price on request