Z-Flex 7" x 40' Aluminum Liner Kit btu400000 Consider it in the context

Consider it in the context of airplanes where you have lots of horsepower being delivered to a propeller

Efficient heating with a built-in thermostat keep you always warm

Model SF8-SPF2424 Clearance UL and ULC listed to 1777 standard

ensuring light and warmth

Reflective Copper Fire Glass Medium Fire glass has a brilliant and elegant look with natural gas and propane fireplace applications

Z-Flex 7" x 40' Aluminum Liner Kit btu400000 Consider it in the contextUL listed aluminum chimney liner kit for use with Category I natural draft gas fired heating equipment and gas fireplaces. Note: For Use with Natural Draft Appliances. Not intended for use with Category II, III, or IV gas burning appliances as defined by the National Fuel Gas Code, NFPA 54, or other appliances that result in condensation or corrosive acids on the liner of the chimney, or that create positive pressures in the chimney system.