Needle Guide Back Catalog number: 11-2591 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10323 Sapphire Plunger Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-0069 Tubing, Head to Tee Price on request