15sq foot shown on advertising picture while 20sq meters stated in written description. This is a Big Difference. Which is correct please?

It's extremely difficult to give an accurate answer on this as depends if the air is dead still or not. All I can say is that this bit of equipment has proved itself several times when battling with extremely aggressive Scottish midgies.

Can you refill the Butane Gas Cartridges?

Have seen someone on YouTube doing it but I wouldn't advise it..

How to use it? Does it stand in an area you sit in while camping? Or do you have to hold it?

We usually put it on our picnic table and that protects the area we sit. You don't need to hold it we lay it flat with the black grid facing up. We have tried using on the move and it doesn't work well like that but when in camp it works really well.

Can I use this inside a summerhouse, with the doors open?

The instructions (inside the box) state that the device should not be used in a confined space. It There is risk attached to using in a summerhouse even with the doors open. I would suggest asking the manufacturer for further guidance. I now use a plug in device from Jungle available from Amazon or currently on offer in Wilko.

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MR300 Portable Mosquito Repeller, DEET-Free, 12H Protection | Covers 20 sqm. Portable device with mats and fuel cartridge included. Ideal for travel & fishing. Effective against midges.

MR300 Portable Mosquito Repeller, DEET-Free, 12H Protection | Covers 20 sqm. Portable device with mats and fuel cartridge included. Ideal for travel & fishing. Effective against midges.

Product ID: 92163958

Details

Brand
Thermacell
Item form
Aerosol
Item volume
3.63 Fluid
Material feature
Portable
Scent
Unscented

⏳12 hours continuous use

🎒ultra-portable & lightweight

🛡️20 sqm protection zone

€ 80.65

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🦟 Outsmart mosquitoes, not your style.

ALL DAY SHIELD - Enjoy up to 12 hours of uninterrupted, DEET-free protection.
TRAVEL READY DESIGN - Compact and lightweight for seamless portability on every adventure.
CLEAN SAFE OPERATION - No smoke, no flames, no mess—perfect for any outdoor setting.
EFFORTLESS OUTDOOR DEFENSE - Create a 20 sqm mosquito-free zone without sprays or lotions.
SKIN FRIENDLY SCENT FREE - No irritation, no smell—just pure, invisible protection.

The Thermacell MR300 Portable Mosquito Repeller offers a DEET-free, scentless solution that creates a 20 sqm protection zone against mosquitoes and midges. Lightweight and compact, it delivers up to 12 hours of continuous outdoor defense without sprays or lotions, making it ideal for camping, fishing, and gardening. Safe and mess-free, it includes mats and a fuel cartridge for immediate use.

Specifications

ASIN	B07DW2TRYB
Best Sellers Rank	57,833 in Garden ( See Top 100 in Garden ) 932 in Fly Control
Brand	Thermacell
Brand Name	Thermacell
Country Of Origin	USA
Customer Reviews	4.2 out of 5 stars 152 Reviews
Global Trade Identification Number	00843654001692
Included Components	Inspect Repeller
Indoor Outdoor Usage	Outdoor
Item Form	Aerosol
Item Nype Name	MR300 Repeller
Item Volume	3.63 Fluid Ounces
Item form	Aerosol
Item volume	3.63 Fluid Ounces
Manufacturer	Thermacell
Manufacturer Part Number	THCMR-300L
Material Features	Portable,Lightweight,Deet-free
Material feature	Portable, Lightweight, Deet-free
Model Number	THCMR-300L
Number of Items	1
Number of items	1
Scent	Unscented
Scent Name	Unscented
Size	12 g (Pack of 1)
Target Species	Mosquito
UPC	843654001692
Unit Count	12.0 gram

Reviews

A**S

Excellent

12.08.2025

G**M

100% recommended

Best of the best! Value for money! Was our life saver from moscitos. Awesome !

10.10.2024

R**P

No flies on this (soz)

Used a fair bit now. Lights easily, only gone out once. I think it works, certainly not been bitten, including Scotland in summer. Relatively chunky and heavy when backpacking, but worth it for no bites when sprays don't work

24.07.2021

S**N

Was a little surprised

I was really sceptical about this product but was pleasantly surprised in the end. I needed it to keep the midges away and it certainly did that. I would recommend this to anyone.

5.12.2022

D**H

Hmmmmm. Not great against midgies

If you are travelling to the west coast of Scotland, I’d give this contraption a miss. Was pretty useless against the midgies!

3.08.2024

A**G

Would definitely buy another one.. Very fast delivery..

Great product, used it on a camping trip and it kept midges away... Excellent!!

13.12.2020

P**S

Avoid

Flies and midgies are literally landing on it Useless

22.06.2026

A**R

Excellent piece of kit

Works very well

9.07.2021

C**E

Le tiene distanti

È vero, le zanzare non si avvicinano...

1.08.2019

S**O

Di aiuto

Con queste zanzare così fameliche c'è poco da fare, comunque è di aiuto.

17.08.2023

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