Compatible with all fuel-powered Thermacell repellers (except the Backpacker). The first and only EPA-registered area repellent for black flies and no-see-ums, these refills protect from mosquitoes, black flies, and no-see-ums (gnats). Not for the common house fly.

EFFECTIVE ZONE TECHNOLOGY: Multi-Insect Repellent creates a 15-foot zone of protection against mosquitoes and a 10-foot zone of protection against black flies and no-see-ums.

PROPRIETARY FORMULA: Independently tested and EPA reviewed for safety & effectiveness. Repels tough mosquitoes, including those that may transmit Encephalitis, West Nile Virus, and Zika Virus.

REPEL MOSQUITOES IN AIR, NOT ON YOUR SKIN: Repel mosquitoes without DEET sprays or lotions on your skin. Scent-free, no smoke, no flames. People and pet friendly.

100% SATISFACTION GUARANTEE: At Thermacell, we stand behind the performance and quality of our products. If you are not happy with your purchase, you may return it to us for repair, replacement or refund. Please contact service@thermacell.com.

*For Outdoor Use Only

INCLUDES: Four 12-hour fuel cartridges and fifteen 4-hour repellent mats. Compatible with all fuel-powered Thermacell repellers except the Backpacker.