1100 Series Essential Pack, G1310A/G1311A Pump Back Catalog number: CTS-21586 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-0620 Outlet Check Valve Cartridge Price on request CTS-10475-1 Sapphire Plunger Price on request