Apply fertilizer chemicals, pesticides and herbicides on windy days without fear of drifting. This push-style applicator with large 10″ wheels features a 4 gallon polyethylene tank and large 6″ x 30″ roller. Chemical is gravity released by small jets saturating the length of the roller. This allows chemical to be applied exactly where the roller has been and nowhere else. No mechanical pumping is required. Easy-to-reach shut-off valve on tank. Maintenance is simple – just wash the tank and roller after use. Covers 4,000 sq. ft.