Metering device Seal Back Catalog number: 11-3830 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request