1100 Series Essential Pack, G1310A/G1311A Pump Back Catalog number: CTS-21586 Availability: In the manufacturer's stock Price on request - + Recommended 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request CTS-1042 Plunger Insertion Tool Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request