PV 268 - Bob Corey Associates div of BCA Marketing , inc.

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The Preval Sprayer is a self contained, completely portable, disposable unit which operates on the "Venturi-Vacuum" principle.When the spray button is depressed, the gas or vapor phase of the propellant in the Power Unit passes over the open product orifice in the spray button, reducing the pressure at the orifice and creating a vacuum.The vacuum draws the liquid from the product container #268 up through the dip tube and internal tubing into the spray button where it is forced out of the button orifice by the gas stream.This action changes the liquid into small particles that form an excellent spray pattern.

THE COMPLETE PREVAL SPRAYER CONSISTS OF TWO PARTS:

1.)...The Power Unit #268: This unit consists of a plastic spray button, an aluminum cartridge/valve assembly containing 3 ounces of propellant, under pressure, and a plastic threaded coupling with a vent hole (all pre-assembled).Each Power Unit will spray up to 16 ounces of liquid before it must be replaced.