Revello - Model LT. 16-18-20 - Knapsack Sprayer

Copper knapsack sprayer "revello" model with external brass piston. Knapsack sprayer made of 6/10 mm copper plate. Operation through a piston with oil-lubricated external brass cylinder. The sprayer features a large pressure chamber. The very light pumping maneuver allows obtaining a high pressure with a very fine penetrating and economical spray. All parts are demountable. Handle on the left or on the right. On the left if specified. Lubrication: SAE 40 mineral oil.