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