MORTEIN POWERGARD MOSQUITO EXTRA POWER MATS PACK The MORTEIN POWERGARD MOSQUITO EXTRA POWER MATS PACK provides up to 8 hours of mosquito repellency. Its active ingredient, Metofluthrin, offers long-lasting protection to effectively keep away even the most persistent mosquitoes. The convenient mats are easy to use, making them a great choice for outdoor activities.