How to choose qualified mosquito coils
First, look at the packing box: the box should have the name of the factory, the site, the date of manufacture, the expiration date, the ingredients, the implementation standards, the pesticide registration certificate, etc.;
The second is to look at the appearance: taking the dish-type mosquito coil as an example, the rough surface indicates that the quality is not good;
The third is to see the date of production: the closer the production date, the better the mosquito repellent effect;
The fourth is to select pyrethroid products: such as cypermethrin, propythrin, methrin, ES biomethrin, which can be used in some people's environment, try to avoid the selection of organophosphorus and carbamate products.
Method of using mosquito coils
First, maintain a certain amount of ventilation indoors, such as keeping the gap between doors and windows. At the same time, the mosquito-repellent incense is placed in the upper mouth. There are infants or children in the house. When using the mosquito-repellent incense, keep away from the body parts, especially the head. If you use mosquito coils, smell it. It has odor, smoke, and is accompanied by dizziness. It should be stopped immediately and kept in a ventilated state.
