Thermacell Patio Shield is a portable mosquito repellent that releases the active ingredient d-alertin to protect us from mosquitoes, midges and other biting insects for 12 hours. Summer is the time to spend more time outdoors, barbecuing, camping, fishing and getting closer to nature. Unfortunately, blood-thirsty mosquitoes, black flies and other flying invaders often disrupt our outdoor activities, and sometimes we give up altogether and return to our "four walls".Thermacell Patio Shield - mosquito protection for the home with reliable and safe effects Thermacell Patio Shield is a reliable shield that protects your patio, balcony or garden table from blood-thirsty mosquitoes. Patio Shield has a stylish and modern design, making it perfect as a table decoration for gatherings, barbecues and family parties. Inside the mosquito repellent are storage compartments for spare cartridges. Thermacell offers portable mosquito and insect repellents with cartridges infused with the active ingredient D-Aletrin. This is the synthetic equivalent of the ingredient found in chrysanthemums, which is used by flowers to repel pests. Unlike Deet, Alethrin is a natural substance and is therefore completely harmless to humans and animals.Thermacell Patio Shield is also hypoallergenic, odourless and environmentally neutral. Tests carried out confirm Thermacell's 96% effectiveness, which means it is without doubt the most effective repellent containing Alethrin. Thermacell Patio Shield is effective against all mosquito species, including tropical mosquitoes.Thermacell mosquito repellent - essential for holidays and travel The devices work in the same way as a gas cooker for tourists. The heating element is powered by a replaceable gas cartridge. The heat generated heats up the D-Alethrin cartridge. As the repellent does not produce an open flame, the Thermacell is safe and can be used in the garden, on boats and in the forest. Mosquitoes are no longer around after 10-15 minutes. Thermacell Patio Shield creates a 20 m2 screen. The range allows you to protect your campsite, garden shed, patio or garden table. The repellent provides odourless and invisible protection against mosquitoes and other pests that can spread viruses and other dangerous human diseases. Thermacell Repellent has been tested for safety and effectiveness by the U.S. Environmental Protection Agency (EPA). Effective Thermacell Patio Shield Repellent is designed for people who want to relax in their backyard, backyard or campsite or barbecue with their family.