EPA will certify two types of stoves, either a catalytic model or one with fresh air injection. The problem with the catalytic model is that they clog up; especially if you don't run them properly.
"The time for war has not yet come, but it will come and that soon, and when it does come, my advice is to draw the sword and throw away the scabbard." Gen. T.J. Jackson, March 1861
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