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.
| 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 |
| FUEL CAPACITY | 57.5 oz. |
| DISPLACEMENT | 63.3 cc |