How to apply: The powder duster is easy and convenient to apply, just put the powder inside the bulb and press it, the powder spurt out. Bulb duster powder duster sprayer garden powder applicator dispenser with long copper tube for organic gardening agricultural supplies and control Note: Please do not fill up too much while using. If the copper tube and nozzle are clogged, please clean it in time to work properly., Manufacturer: Mcnhbdgg