Murphy's 3-PK Naturals Insect Repellent Spray features lemon eucalyptus oil as its active ingredient, effectively repelling mosquitoes outdoors. This pump spray comes in a convenient pack of 3, with 1 4oz bottle and 2 2oz bottles, making it easy to bring along for camping, hiking, and other outdoor activities. With an EPA registration number, this product is a reliable choice for natural insect control.