The nozzle will not be blocked in use. And the copper tube and nozzle Repel-pesticides can be removed The tube of the insecticide applicator is made of copper and natural rubber. So it Repel-pesticides will not get rusty easily It is durable and much easier to use compared with traditional one. What’s more, The effect is excellent It can be used on many Kinds Of insects including bedbugs, fleas, ticks, spiders, cockroaches, earwigs, silverfish, scorpions, Ants, beetles, mites, moths, bees, wasps, Hornets, and other Repel-pesticides creepy-crawlies Package include: 1 Set Repel-pesticides of powder duster Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the same as the picture. Due to manual measurement. Please allow deviation. Thanks!