Step 1: wind the sterilized stick to cause the inside glass tube broken

Step 2: shake the sterilized stick to cause the inside solid (or liquid) mix fully with the liquid.

Step 3: put the sterilized stick in the room that need to disinfect, then the inside tube reagent generate the chemical reaction, produce chlorine dioxide. Under pressure, the chlorine dioxide release from the plastic tube to sterilize the space continuously. (When the environmental temperature is 20oC, the continuous effective sterilization can reach more than one month.) 

It will be create 0.1～10g ClO2 due to different products.