How many square meters does 300ml Wei Chao insecticidal spray use?

300ml Wei Chao Insecticidal Spray usually has insecticidal and anthelmintic effects, and can effectively kill or drive away mosquitoes and other pests. In a certain space, that is, in the area of 15-20 square meters, an appropriate amount of spray insecticide can effectively cover the indoor space and form a certain range of insecticidal effects.