Do they expire or go bad?

There is no expiration date on the heaters. We have used heaters that were 15 years old and they worked great! As long as the heating element is kept dry, it should work even in 10-15 years.

Are the bags you sell dated so that they are sure to work? I have used old bags and sometimes they do not heat up at all.

Hi, Thank you for your inquiry. The bags are not dated but they are a "current edition" so they work very well. I hope it helps. Best regards, MREdepot team

What are the bag dimensions? Need to fit a 16 oz mason jar inside (3.2x 3.2x5.2). The goal is to make a cup coffee.

Hi and thank you for the question! The dimensions are 0.25" x 12" x 5.75". If you want to make a cup of coffee using these heaters, you should use them with a MRE Beverage Bags that would go inside of a heater and protect your beverage from the heating elements.

Some commercial packs are up to 80grams in size. How many grams is the heating element for these bags?

Hi and thank you for the question! There are several sellers selling this product, so we cannot vouch for everyone. However, we at MREdepot, sell the original FRH heaters, not commercial ones. The heating element weighs 22 g. These are the same green heaters that come in an MRE meal (NSN 8970-01-321-9153). So if you purchase from MREdepot seller, you will be getting the 22 g heating element. Sincerely, MREdepot Team.

ASIN	B07NRD2P99
Best Sellers Rank	#183,366 in Kitchen ( See Top 100 in Kitchen ) #5 in Propane Space Heaters
Brand	Military Surplus
Brand Name	Military Surplus
Color	Green
Colour	Green
Form Factor	Compact or Portable
Form factor	Compact or Portable
Fuel Type	chemical
Heating Coverage	300 Square Foot
Heating Element	Radiant
Heating Method	Combustion
Indoor Outdoor Usage	Indoor
Indoor/outdoor use	Indoor
Manufacturer	Military Surplus
Mounting Type	Floor Mount
Power Source	Chemical
Power source	Chemical
Recommended Uses For Product	Office, Home, Desk, Bedroom
Room Type	Office, Bedroom
Special Features	Lightweight
Special features	Lightweight

Military Surplus 12-Pack of NEW Real Current Edition FRH Heaters (MRE heaters)

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