Active ingredient in Off!, 4 letters
Army-developed repellent, 4 letters
Bug repellent brand, 4 letters
Bug repellent ingredient, 4 letters
Bug spray ingredient, 4 letters
Camper's protection, 4 letters
Debugging application?, 4 letters
Diethyltoluamide at the pharmacy, 4 letters
Insect repellent brand, 4 letters
Insect repellent compound, 4 letters
Insect repellent ingredient, 4 letters
Insect repelling chemical, 4 letters
Liquid insect repellent, 4 letters
Mosquito repellent ingredient, 4 letters
Outdoor bite preventer, 4 letters
Popular insect repellent, 4 letters