SR 450 Backpack Sprayer

The STIHL SR 450 is a professional-grade sprayer that covers all the bases. Its low exhaust emission, fuel-efficient engine delivers a 20% greater spray range when compared to previous models. Ideal for distributing liquid or solid compounds, this backpack sprayer/duster converts from misting to dusting applications without any special tools or additional equipment. It’s easy to use and provides excellent control over product feed and air speed. Note: Not available for purchase or delivery in California Specifications POWER SOURCE Gas WEIGHT 28.2 lbs. CONTAINER CAPACITY 3.7 gal. MAXIMUM SPRAY RANGE 48 ft. AIR VOLUME 542 cfm ENGINE POWER 3.9 bhp FUEL CAPACITY 57.5 oz. DISPLACEMENT 63.3 cc Note: Weight displayed does not include liquid. The pressure pump kit is recommended for applications in which the spray tube is held at an upward angle of more than 30 degrees in order to maintain a consistent discharge rate.