Check the listing for details. 3.7Gal Backpack Agricultural Mist Duster Sprayer, Gasoline Powered Garden Blower. Color: As Pictures Showing, Condition: New. Listed at 196.91 USD. Description Are you still feeling tired of manual spraying on a large area? This backpack sprayer with 3.7gal large capacity has 2.13kW strong power and 39.4ft wide range, which can achieve accurate spraying operation and evenly care for each leaf vein. It is the guardian of farmland and an ideal choice during the busy farming season. Choosing it will take you into a new era of efficient farming and witness a bountiful harvest! Key Features Large Capacity: Its 3.7gal large capacity tank can significantly increase continuous operation time and reduce refilling frequency, accelerating the completion of your work. Impressive Spray: Through its high-speed airflow technology and 2.13kW strong power, pesticides can be quickly and evenly sprayed onto the surface of crops with a wide coverage ra.