Bulb duster powder duster sprayer garden powder applicator dispenser with long copper tube for organic gardening agricultural supplies and control How to apply: The powder duster is easy and convenient to apply, just put the powder inside the bulb and it, the powder spurt out. 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: Fuhjythy