EASY TO USE: The nozzle not be blocked in use.and the copper tube and nozzle can be removed. : The tube of the applicator is made of copper and Silica gel.So it not get rusty easily. It is more and much easier to use compared with the traditional one. SAFE BULB DUSTER: With food grade diatomaceous earth Powder, no and safe. you can safely use this tool in the kitchen and garden, outdoors etc. MULTI-USED: It can be used on many kinds of insects including bedbugs, fleas, ticks, spiders, cockroaches, earwigs, , , ants, beetles, , moths, bees, wasps, hornets, and other creepy-crawlies., Manufacturer: Jnchdghwa