Thermacell Butane Fuel Cartridge Refill Eight Pack (Mats Sold Separate
Amazon.com: Thermacell Mosquito Repellent Fuel-Only Refills; Compatible with Any Fuel-Powered Thermacell Repeller; Highly Effective, Long Lasting, No Spray or Mess; 15 Foot Zone of Mosquito Protection : Patio, Lawn & Garden