It should be noted that you can extend the life of these by restricting the oxygen they get.
I've used regular 8 hour "hot hands" brand, and had them pump out heat for over 24 hours with...
Type: Posts; User: hk2001
It should be noted that you can extend the life of these by restricting the oxygen they get.
I've used regular 8 hour "hot hands" brand, and had them pump out heat for over 24 hours with...