If you need a gas fireplace insert that will provide plenty of warmth without dominating your living space, the Chaska 29 could be just what you’re looking for. Comes in Log, Glass or Rock media Viewing Area: 25-7/8″ x 12-5/8″ BTU (Log & Rock) 30,000 (Glass) 25,500 (MV) 28,500 Electronic Ignition Pilot System Co-Linear Air Duct –Accepts 3” Combustion Air / 3” Exhaust Ceramic Glass Fan Kit Standard Ember Light Kit