The THERMACELL MR300 Portable Mosquito Repeller provides a practical way to create a localised mosquito protection zone outdoors without sprays, lotions or an open flame. The compact fuel-powered unit uses a butane cartridge to heat repellent mats, creating a protection zone of up to 21 m². It is suited to camping, fishing, hunting, backyard use and other stationary outdoor activities where mosquitoes are a concern.Features Creates a protection zone of up to 21 m² Fuel-powered operation using butane No open flame during normal operation Scent-free and DEET-free operation Portable and lightweight design Quiet ignition for discreet operation Includes three repellent mats Includes one butane cartridge Provides up to 12 hours of protection from the included refill Compatible with Thermacell repellent mats and refills How to Use With the repeller switched off, insert a fresh Thermacell repellent mat beneath the grill. Remove the appliance cap and fit the butane cartridge, turning it clockwise until fully inserted. Replace the appliance cover and switch the repeller on according to the manufacturer's instructions. Place the repeller on a flat, stable surface with the grill facing upwards. Allow time for the repellent zone to develop before relying on the protection; Thermacell advises allowing up to 10–15 minutes for maximum effectiveness. For best results in breezy conditions, position the unit upwind of the area requiring protection. Switch the unit off and allow it to cool completely before changing the mat or handling the heated grill. SpecificationsProduct Code: THMR300BBrand: THERMACELLModel Number: MR300BProduct Type: Portable Mosquito RepellerColour: BlackFuel Type: ButaneZone of Protection: 21 m²Hours of Protection: Up to 12 hours with included refillRepellent Mat Runtime: 4 hours per matWeight: 450 gPack Contents: 1 x Thermacell MR300 Repeller, 3 x 4-hour repellent mats, 1 x 12-hour fuel cartridgeWarranty: 12 monthsBarcode / GTIN: 9316861023968The THERMACELL THMR300B is a compact option for outdoor mosquito management where a stationary protection zone is preferred. Its fuel-powered design avoids the need for batteries or skin-applied repellent, while the included mats and cartridge provide up to 12 hours of initial operation. For safe and effective use, operate outdoors and follow the product instructions.