Thermacell C-2 Mosquito Repellent Butane Cartridge Refill Pack for Repellers， Torches and Lanterns， 2-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>15-foot by 15-foot "Zone of Protection" against bugs or 225 square feet</li><li>Contains (2) butane cartridge for (24) hours of use</li><li>Odor-Free Scent</li><li>Use when butane runs out before repellent mat</li><li>All ThermaCELL products come with a one year warranty</li><li>Contains (2) butane cartridge for (24) hours of use</li><li>Can be stored for long periods of time</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OFtjbglXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41r%2BJiTgQfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61TWDKAWxCL.jpg" noproxy>