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ThermaCELL MR300G Portable Mosquito Repellent 12-Hour Refill - Olive - 2 of 4ThermaCELL MR300G Portable Mosquito Repellent 12-Hour Refill - Olive - 3 of 4ThermaCELL MR300G Portable Mosquito Repellent 12-Hour Refill - Olive - 4 of 4
ThermaCELL MR300G Portable Mosquito Repellent 12-Hour Refill - Olive - 1 of 4

ThermaCELL MR300G Portable Mosquito Repellent 12-Hour Refill - Olive

$19.99

Out of Stock

Eligible for registries and wish lists

Sponsored

About this item

Highlights

  • Outdoor mosquito repellent provides a 15-foot zone of protection against mosquitoes
  • Heat-activated, cordless, and hassle-free design powered by an included safe and compact 12-hour fuel cartridge
  • Mess-free refill with included unscented mats, lasting up to 4 hours each, changing color when replaced
  • Repels mosquitoes without DEET, smoke, flames, or strong scents, no cords or batteries needed
  • People and pet-friendly formula tested and EPA-reviewed for safety and effectiveness
  • Keep enjoying outdoor activities with this sleek mosquito repellent on the porch, by the pool, while camping, at the lake, and more
  • Automatic 1-year warranty included, with 2-year extended warranty available with registration, backed by the Thermacell Satisfaction Guarantee
  • Includes one repeller, one clamp, one clip, one 12-hour fuel cartridge, and three 4-hour repellent mats

    • Description

    Enhance your outdoor experiences with the Thermacell MR300 Portable Mosquito Repellent. This innovative device creates a 15-foot zone of protection against mosquitoes, powered by a heat-activated, cordless design. The included 12-hour fuel cartridge ensures hassle-free operation, while the mess-free refill system with unscented mats provides continuous protection. Tested for safety and effectiveness by the EPA, this repellent is ideal for various outdoor activities, from camping to relaxing by the pool. Plus, with an automatic 1-year warranty and optional 2-year extended warranty, you can enjoy peace of mind on all your adventures.
    Weight: .69 Pounds
    Product Warning: Keep out of reach of children
    Indoor/Outdoor: Outdoor
    Treats and/or Prevents Against: Mosquitoes
    Duration: 12 Hours
    Formulation: Repels Pests
    Product Form: Pad
    Active Ingredient(s): Allethrin 22%
    Package Quantity: 1
    Application Type: Heat Diffuse
    Repels By: Smell
    Maximum Coverage Area: 15 Feet
    TCIN: 90459192
    UPC: 843654001340
    Item Number (DPCI): 337-04-4372
    Origin: Imported
    If the item details aren’t accurate or complete, we want to know about it.

    Ingredients:

    active ingredient: d-cis/trans allethrin: 21.97%. other ingredients: 78.03%, total: 100.00%.

    Shipping details

    Estimated ship dimensions: 2.25 inches length x 5.5 inches width x 10.75 inches height
    Estimated ship weight: 0.69 pounds
    We regret that this item cannot be shipped to PO Boxes.
    This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii

    Return details

    This item must be returned to any Target store.
    This item must be returned within 90 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
    See the return policy for complete information.

    Q: Does this work if I have it inside a zipped bag?

    submitted by joicetotheworld - 2 years ago

    • A: The device will not work inside a bag, it needs to be set out with proper air flow.

      submitted byAgh88 - 2 years ago
    See all questions (1)

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    Related Categories

    4.7 out of 5 stars with 1151 reviews
    0% would recommend
    2 recommendations
    1 out of 5 stars
    9 October, 2025
    originally posted on thermacell.com
    Image

    New model not as good as the old

    Bought two of the original thermacell when they first came out. They worked perfectly and kept the mosquitoes away. This hunting season I bought a new one after the bottom that covers the butane, broke. The new model does not heat up enough and DOES NOT keep mosquitoes away. I got eat up. The next morning I used my old one and it again worked flawlessly minus the bottom cover.
    1 reply from Consumer Services team - 3 months ago
    We apologize for your less than satisfactory experience with our product! We at Thermacell pride ourselves on our products and our ability to protect people against pesky mosquitoes. We stand by our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Mosquito bites
    Did you find this review helpful?
    5 out of 5 stars
    3 October, 2025
    originally posted on thermacell.com
    Image

    These are the greatest

    I use them for early fall deer hunting, I am able to sit in my deer blind all day long without a mosquitto, just a reminder, pad need to be replaced every 2 hours
    Darrel
    Did you find this review helpful?
    1 out of 5 stars
    31 August, 2025
    originally posted on thermacell.com
    Image

    Does not stay lit

    I bought this in July 2025, and the little red light letting me know this is lit no longer lights up, and I keep having to push the start button because it doesn't stay lit.
    1 reply from Consumer Services team - 4 months ago
    We apologize for your less than satisfactory experience with our product! We at Thermacell pride ourselves on our products and our ability to protect people against pesky mosquitoes. We stand by our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Avid camper
    Did you find this review helpful?
    3 out of 5 stars
    30 August, 2025
    originally posted on thermacell.com
    Image

    Doesn’t work like the original

    I have been a long time Thermacell supporter, but I have bought four of the 300 series for hunting I have a lot of the others I’ve never had a problem all four of these 300s I cannot keep running. They will fire up for a quarter second and then go out too many times they’ve left me stranded in the south Florida mosquito woods, swatting mosquitoes cussing a brand new thermacell not sure what the difference is. I have used multiple different cartridges for propane to make sure it’s new and fresh with no difference. i’m not buying another 300 series that is for sure.
    1 reply from Consumer Services team - 4 months ago
    Sorry to hear that our product is not performing to our quality standards! We thank you for your feedback and take matters like this seriously. Thermacell stands behind our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Why change if not broke
    Did you find this review helpful?
    5 out of 5 stars
    5 August, 2025
    originally posted on thermacell.com
    Image

    No Glow

    IH had several of these mosquito repellent devices over the years. But this time I went and bought another one, but it would not burn. Luckily I have my receipt returned it.
    Mountain man
    Did you find this review helpful?
    2 out of 5 stars
    24 July, 2025
    originally posted on thermacell.com
    Image

    Not very happy

    I bought this device 2 months ago and now it will not turn off and it empties the fuel cell just sitting.
    1 reply from Consumer Services team - 5 months ago
    We apologize for your less than satisfactory experience with our product! We at Thermacell pride ourselves on our products and our ability to protect people against pesky mosquitoes. We stand by our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Deh1215
    Did you find this review helpful?
    1 out of 5 stars
    Thumbs down graphic, would not recommend
    18 July, 2025

    I used to live these..

    Not the same, was a miracle product. Now it's .. fake.
    mimi
    Did you find this review helpful?
    5 out of 5 stars
    29 June, 2025
    originally posted on thermacell.com
    Image

    Works perfectly!!!

    Those is my second one I've bought, they work great
    Mudman
    Did you find this review helpful?
    5 out of 5 stars
    20 May, 2025
    originally posted on thermacell.com
    Image

    Works good.

    I never go in the turkey woods without it. I also take it with me fishing just about every time.
    CParker
    Did you find this review helpful?
    5 out of 5 stars
    15 May, 2025
    originally posted on thermacell.com
    Image

    Works perfectly

    I have used these for a long time sitting in a beaver swamp in upstate New York during black fly season not a black fly not a bug in sight. Get you one.
    JimboNY
    1 guest found this review helpful. Did you?
    1 out of 5 stars
    5 October, 2024
    originally posted on thermacell.com
    Image

    Quality has gone too crap

    Bought as a back up to the old one.....The new one won't light....The new one won't light...Can you hear me now!!!!! Brand New Brand New Can you Hear me now
    1 reply from Consumer Services team - 1 year ago
    We apologize for your less than satisfactory experience with our product! We at Thermacell pride ourselves on our products and our ability to protect people against pesky mosquitoes. We stand by our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Stump Jumper
    2 guests found this review helpful. Did you?
    5 out of 5 stars
    25 June, 2024
    originally posted on thermacell.com
    Image

    Was not a believer but WOW

    Read the reviews but still was not a believer. I purchased the MR300 hunt pack to try on a upcoming fishing trip to Canada. Had it with me when I was in one of the National Forests in MN to check out a remote trout lake. Had my lantern burning with citronella and cedar fuel yet the mosquitos were still super thick. Went to the truck, opened the Thermacell box, installed the fuel and pad, turned it on and one click the unit started heating up. Within 10 minutes there was not a mosquito around me. When I would walk out of it's range, I would be covered with them again. Once back in town I told 36 friends, family, and coworkers about it. Since that time, at least 18 of those people have purchased them. Great product. Get yourself a couple.
    MN Explorer
    5 guests found this review helpful. Did you?
    2 out of 5 stars
    Thumbs down graphic, would not recommend
    18 June, 2024Verified purchase

    Does not include everything it says if should

    From the description “Includes one repeller, one clamp, one clip, one 12-hour fuel cartridge, and three 4-hour repellent mats” however this item did not come with a clamp or clip which was the only reason I spent more for the one from Target. Very disappointed but don’t have time before vacation to look for something else. Bad on Target for false advertising.
    Caitin
    2 guests found this review helpful. Did you?
    5 out of 5 stars
    17 May, 2024
    originally posted on thermacell.com
    Image

    Aesome

    I have been using the MR 300 for yrs with no issues. I used it last spring in SC while hunting hogs. When the sun goes down mosguitos come out and sounded like vultures going to a road kill. I turned on the repeller and five minutes later they all left
    KY hunter
    1 guest found this review helpful. Did you?
    1 out of 5 stars
    7 May, 2024
    originally posted on thermacell.com
    Image

    Pads became worse

    I agree with other reviewers that te pads have changed. They turn white after an hour. Not after 4 hours. Please Therrmacell react to this. What has happened? Isn't it a problem that they turn white so soon. Will they still work? Have they changed? What is going on? The refills already cost a fortune and now they work just 1 hour. It is the only device that works! But normally people cannot afford it anymore like this.
    1 reply from Consumer Services team - 2 years ago
    We apologize for your less than satisfactory experience with our product! We at Thermacell pride ourselves on our products and our ability to protect people against pesky mosquitoes. We stand by our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Maud
    2 guests found this review helpful. Did you?
    1 out of 5 stars
    6 April, 2024
    originally posted on thermacell.com
    Image

    Poor performance (repeat)

    Worked one time. Would never light again. My third purchase. Three times a charm. Expensive lesson learned. I've bought my last thermacel
    1 reply from Thermacell Consumer Support team - 2 years ago
    We apologize for your less than satisfactory experience with our product! We at Thermacell pride ourselves on our products and our ability to protect people against pesky mosquitoes. We stand by our products with a 100% satisfaction guarantee. Please contact us at customerservice@thermacell.net or 1-866-753-3837 so we can make things right for you.
    Cpprater
    1 guest found this review helpful. Did you?
    4 out of 5 stars
    6 November, 2023
    originally posted on thermacell.com
    Image

    It works and is priced appropriately

    Decent but not as nice as my 1st generation. The clip would be a nice addition if it actually stayed attached to the thermacell device. Mine falls off all the time. The new case is also kind of cheaply made compared to the old heavier duty one and now only has one pocket instead of two.
    Nemo
    Did you find this review helpful?
    4 out of 5 stars
    1 November, 2023
    originally posted on thermacell.com
    Image

    Holster design

    I love the unit! Always have! I don’t hunt early season without one! (Northwest Florida). I lost my previous one so ordered another…I really don’t care for the design of this holder and clip (will not stay on, going to glue in place)…luckily I found my older unit…I left on one of my stands during preseason scout/set up lol. The holder is the only reason I didn’t give a 5 star review
    Noffboy
    3 guests found this review helpful. Did you?
    4 out of 5 stars
    23 September, 2023
    originally posted on thermacell.com
    Image

    MR300 hunt pack

    My doctor recommended the thermacel insect repellent to me. I used it while deer hunting in an area with a river, a large creek and many drainage ditches. With all that water it is plagued with mosquitoes. Not a a one landed on me while I used the thermacell.
    Did you find this review helpful?
    5 out of 5 stars
    3 August, 2023
    originally posted on thermacell.com
    Image

    Excellent Product

    I purchased one of these portable Repeller's about 3 years ago and this item works like the day I purchased it. We use it when fishing at a local fishing spot (or should I call it a mosquito Sancturary). As long as there is no wind it works great and we are bite free.
    1 guest found this review helpful. Did you?

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