Poulan Pro 961120130 PR450N20S Briggs 450e Side Discharge Push Mower in 20-Inch Deck 450E 125cc Briggs & Stratton primer engine 20-Inch deck push mower Side discharge only. Speed forward maximum: 3 mph, air filter type: foam 4-Quick height adjusters with 5 positions 7-Inch Front and Rear Wheels