Hand-Painted Realism True-to-life design - Inspired by nature, this log set is hand-painted for incredible realism and life-like detail. With volcanic rock, rock wool embers and a true glowing ember look, this log set creates a truly realistic appearance. Refractory Cement Logs Exquisitely real - These log sets are made from refractory cement for a level of realism you won't find anywhere else. CSA Design Certified Designed to accommodate your needs - These versatile log sets can be installed with or without venting, giving you more flexibility in incorporating them into your existing decor. Up to 37,000 BTUs Stay warm and cozy - This log set delivers a range of BTUs from 19,000 to 37,000, so you'll stay nice and warm while efficiently heating the room to help lower heating costs. Optional Signature Command Control Take command - Available with exclusive Signature Command control, this log set gives you the opportunity to have the ultimate in fireplace control at your fingertips. Features: Model No.: BO30-F. Venting: Vent Free. Heating Capacity: Up to 1300. Certifications: CSA Design. For use with 30" Natural Blaze Burners. Note: Burners are sold separately, Please see related products for compatible options.