Thermacell R4 Mosquito Repellent Refill Value Pack - R4

This refill pack contains 4 butane fuel cartridges and 12 allethrin-based repellent mats designed to create a 15-foot protection zone against mosquitoes, black flies, and no-see-ums for up to 48 hours of use. The DEET-free formula is odorless and safe for families and pets, with each mat providing approximately 4 hours of continuous protection. Compatible with Thermacell R4 repellent dispensers.