Unique 21++ Direct Vent Gas Fireplace Chimney Cap
Unique 21++ Direct Vent Gas Fireplace Chimney Cap. A direct vent gas fireplace does not require a chimney and can vent horizontally out a sidewall or vertically through a roof. Free shipping on all orders over $99. Visit shopchimney for fireplace mantels & other fireplace you'll be pleased with the immediate warmth, ease, cleanliness and attractiveness of your direct vent gas fireplace. Direct vent fireplaces have a completely enclosed chamber that is extremely efficient, drawing in air for combustion from the outside and expelling gases to the outside as well.