Needle Seat Assembly, 0.12mm ID Back Catalog number: 11-3889 Availability: In the manufacturer's stock Price on request - + Recommended 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request CTS-A11135 50μL Std. Zirconia Mixer Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request