Best Seller | Pleasant Hearth VMC100 Vermiculite 4 oz. Bag When it comes to getting the most out of your Vented Gas Fireplace set Pleasant Hearth Vermiculite provides many features of a wood-burning fire that cannot be achieved from a gas log set alone. Vermiculite helps spread gas throughout the entire burner... more | | $18.80 $15.44 FREE shipping go to store |