Plunger Seal Back Catalog number: CTS-10693 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10759 Piston Seal Backup Ring Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request