Revello - Model GR - Knapsack Sprayer

Plastic knapsack sprayer "gr" model with external brass piston. Knapsack sprayer with lank in weatherproof thermopiasK material resistant to chemical agents. Operation through a piston with an oi-lubncated external brass cylinder. The sprayer features a large pressure chamber. The very bght pumping maneuver aBows obtanng a tugh pressure with a very firte penetratirig and economical spray. All parts are demountable. Handle on the left or on the right. On the left it not specified. Lubrication: SAE 40 mineral of.