These are good-quality, standard, single wall 7" stovepipe connector fittings.The seams snap together and on each end a pliers crimp keeps the seam from separating.
**Single wall stove pipe or any "stovepipe" is intended for interior use between the appliance and the wall or ceiling only. "Chimney pipe" must be used with proper components to pass through a wall or ceiling, and from that point out.
** Single wall stove pipe requires at least 18" clearance to combustibles for all single wall stovepipe. This measurement could be more or less depending on the appliance. The appliance manufacturers installation instructions should always be followed.
