Peterson Gas Logs Ember Glow - 6 OZ. Bag. EM-1. Decorative Accessories . These Peterson Real Fyre Glowing Embers can be used with vented gas log sets. Includes 6 ounces of embers. These embers are designed to be used with vented gas logs only installed in wood-burning fireplaces!! They are NOT designed to be used with gas only fireplaces. Disclaimer on bag: This accessory should only be used with certain gas log sets, in accordance with your products instructions.To use: Break clumps apart like you would cotton balls and set in place.