Metering device Seal Back Catalog number: 11-3830 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-11297 Sapphire Plunger Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request