1100 Series Essential Pack, G1310A/G1311A Pump Back Catalog number: CTS-21586 Availability: In the manufacturer's stock Price on request - + Recommended 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request 11-4116 Sample Needle Kit, 15µL Price on request CTS-10724 Injector Needle Price on request