Thermacell Tick Control Tubes. Provides protection from ticks without harmful and unpleasant chemicals. Ideal for the backyard and surrounding the home, the Thermacell Tick Control Tubes safely provides up to 1/4 acre of tick protection per 6 tubes of application. Unlike sprays or granules, these tubes exclusively target ticks on mice. They work with nature and won't harm your pets or yard. They work best in Northern Woods where Lyme disease is concentrated.