Z-Flex 7" x 50' Stainless Steel Chimney Liner Kit for All Fuels w17.5 Cast iron grate standard with

Cast iron grate standard with burner

Fits models WLF-HEX

It offers great protection against the sparks from the fire keeping them inside the fireplace and protecting your home safe from fire and spark flying damages

no-scratch formula

Z-Flex 7" x 50' Stainless Steel Chimney Liner Kit for All Fuels w17.5 Cast iron grate standard withZ flex is engineered to quickly conduct heat, assisting in a natural draft system. Kit must be insulated for wood burning applications. (US Only). 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