DECREASES POLLUTION – Midwest Hearth combustors remove 70% of harmful wood stove emissions, keeping the air clean and your family healthy. IMPROVED SAFETY – Catalytic combustors prevent the buildup of creosote, so there’s a lower risk of house fires. Since 1990, the number of creosote-caused fires has decreased by 75% thanks to catalytic stoves. The Wood Stove Catalytic Combustor Replacement Catalyst by Vermont Castings is a high-quality ceramic component designed for use with wood stoves. This beige-colored catalyst has dimensions of 2.5″ x 6.5″ x 2 and weighs 1.5 pounds, making it suitable for various stove sizes. With a horizontal orientation and a flavorless design, this United States-made catalyst is a reliable replacement part for maintaining efficient combustion and maximizing heat output in your wood stove.