Powerful 20 L Knapsack Mist Dust Blower

20 L large-capacity chemical tank for extended operation Powerful 2-stroke petrol engine for high spraying efficiency Long spraying range with fine mist atomization Adjustable spray volume to suit different applications Ergonomic backpack design with padded shoulder straps Durable, corrosion-resistant chemical tank Easy-start recoil system Suitable for spraying and dusting (depending on the model)