Metal–Fab 4MPT Type B Round Chimney Pipe Partition Thimble – For Chimney Pipes with a 4 Inch Inner Diameter

About the Metal–Fab 4MPT Type B Round Chimney Pipe Partition Thimble – For Chimney Pipes with a 4 Inch Inner Diameter

Passing a Metal-Fab Type B Round Chimney Pipe through a wall is easy, thanks to this Chimney Pipe Partition Thimble. This venting accessory adjusts to fit a variety of wall thicknesses and maintains the required one-inch clearance to combustibles. For use with four-inch round chimney pipe.