Get these ThermacellA(R) Backpacker Mosquito Repeller Mat Refills and you'll always be well-armed against marauding mosquitos. Repellent Mats for ThermacellA(R) Backpacker Mosquito Repeller (item 705782, sold separately) Creates a 15-ft. x 15-ft. bug-free zone when used with Repeller Infused with alletherin, a synthetic version of repellent found in chrysanthemums 24-hour package includes 6 Repellent Mats 48-hour package includes 12 Repellent Mats Order today!