The Empire Rock Creek See Through Ventless Gas Log Set is the ideal complement to any multi-sided ventless fireplace installation! It provides your hearth with an authentic wood fire look with beautifully detailed, hand-painted ceramic fiber logs, a Vent-Free Contour Burner, and a glowing ember bed.This ventless log set, also known as a vent-free log set, is designed to pull air for burning from the room around it, resulting in a 99.9% efficiency. Whichever system you choose, you can rest assured that it was created with the same care and quality that Empire is known for!