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Thermacell Fuel-ZoneGuard Extreme Fuel Powered Mosquito Repeller with 12-Hr Refill, Green

Thermacell Fuel-ZoneGuard Extreme Fuel Powered Mosquito Repeller with 12-Hr Refill, GreenThermacell Portable Adventure MR300 Mosquito Repeller with 12 Hour Fuel Cartridge Olive
Actual ColorMR300

Key item features

  • Extreme Repellent: Scientifically proven to repel mosquitoes from a 15-foot zone using heat-activated repellent, ensuring consistent protection that does not weaken over time.
  • Continuous Protection: Provides continuous outdoor protection for 12 hours, powered by a safe and compact fuel cartridge, reaching maximum effectiveness in 15 minutes.
  • Safe Operation: Independently tested and EPA reviewed for safety and effectiveness, this repeller is scent-free and produces no smoke, making it friendly for people and pets.
  • Rugged Design: The convenient starter pack includes a rugged, adventure-ready repeller and 12 hours of DEET-free refill, designed for gear-friendly use.
  • Silent Operation: This silent and scent-free repeller utilizes award-winning technology to create a 15-foot protection zone by precisely targeting mosquito sensors.
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Customer ratings & reviews

4.4 out of 5 stars
stars505 ratings277 reviews
How item rating is calculated
  1. 5 stars75% (377)
  2. 4 stars7% (37)
  3. 3 stars6% (29)
  4. 2 stars3% (16)
  5. 1 star9% (46)

Reviews summary

Pros

  • : Ideal for outdoor activities.
  • : Simple operation makes it easy to use.
  • : Prevents mosquito bites when in use.
  • : Provides excellent coverage to repel bugs.
  • : Repels mosquitoes in most outdoor conditions.

Cons

  • : Fails to provide a secure hold on the unit.
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Showing 1-3 of 277 reviews

Oct 28, 2025
Paige
Item details
Color: MR300
5 out of 5 stars review

Verified Purchase

Deer hunting

I like how easy it was to put together and turn on. when hunting up in the stand or walking around, there is no noise or smell. Maybe 1 or 2 buzzed in my ear. 10/10 definitely recommend!

Helpful?7HRZ80QA84YV2406640021
Oct 31, 2022
Walmart customer
5 out of 5 stars review

Seller Verified Purchase

Works great!

My son and I were getting eaten alive in the stand. A nearby friend recommended this to me, and it's been great. We warm up the Thermacell while we're walking in and saw the mosquitoes virtually drop to nothing after getting settled in the stand. Love it!

Review from thermacell.com
Helpful?7HRZ80QA84YV2406640021
May 28, 2025
Speed1
Item details
Color: MR300
5 out of 5 stars review

Verified Purchase

This works great.

Dropped this in the middle of a hunting blind. We were on the edge of a wooded area with plenty of marshland around it. This keep the mosquitoes at bay and we know it worked because as soon as we left the blind we were swarmed.

Helpful?7HRZ80QA84YV2406640021
reply from Thermacell

Thank you for your positive feedback, we love hearing about how well Thermacell worked keeping the mosquitoes away. Enjoy the outdoors with Thermacell.