Piston Assembly, TZP Back Catalog number: 11-1597 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request CTS-A11381 Needle, SS, 30μL Price on request CTS-21262 Needle, Uncoated 20 Series Price on request