The Imitated Human Skulls are safe to use in wood fire or gas fireplaces and fire pits. It does not release all the annoying ash and residue. It is more than just simple to function and maintain. Can be used for ventless gas fireplaces, Outdoor gas fireplaces, indoor gas fireplaces, direct vents, zero clearance, natural gas, gel, standard fire pits, fake fireplaces, electric fireplace inserts, propane fireplaces, propane fire pits, ethanol fireplaces, gel fireplaces, and firepits.
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