ARO Force Piston Pumps 55 Gallon ALX Package - 2.9 GPM (10.8 LPM). Ideal for finishing and adhesive applications where you need to keep fluid mixed. Includes lift, drum cover, agitator, and air controls. Integrated wet cup ensures extended packing seal life. Reliability - Eliminating downtime, the unbalanced air valve ensures stall-free pump operation. Durability - Optional Ultra-Coated (ceramic) Plunger Rod and Tube for superior abrasion resistance. Versatility - Multiple mounting and packing seal options available for your specific application needs. Environmentally Sound - Optional muffler ensures pump meets OSHA specifications. Serviceability - Minimal air motor and fluid section part count ensure simple, efficient repairs. Package Description: Drum Mounted Transfer System, Basic Pump Model: AF0409C51XXXX, Lift: 640067, Agitator: 651104-1, Cover: 66197