Sapphire Plunger Back Catalog number: CTS-11434 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21422 Needle Seal Kit Price on request CTS-21192 Cartridge, BioAcquity, I2V Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request