BROS Mosquito Spirals 30 pcs The glowing spiral provides several hours of protection against various insects that often bother during summer evenings. It is designed for outdoor use. Biocidal products should be used with caution. Read the label and product information before each use. Spiral for mosquito and midge control in open areas (e.g. in the garden, on the terrace, etc.) It has a killer effect after just 10 minutes of application. One piece protects against insects for up to 8 hours. How to use: Carefully separate adjacent spirals starting from the outer ends. Bend the tab of the metal support and apply spirals to it. Light the end of the spiral, then blow out the flame and leave the glowing tip. The fumes emitted have an insecticidal effect.