Please call 416 984 6514 - Corrosion-resistant design utilizes liquid salt nitriding, nickel plating, stainless steel, aluminum and chrome on key components for longer life - Few moving parts in the air motor assembly means less downtime and low repair cost - Displacement rods have minimal wear due to a proprietary Graco manufacturing process - Large air porting design provides efficient use of compressed air supply for continuous pump operation without icing - Thick cast aluminum air motor housing offers unmatched durability