The 35 Ft Aluminum Flexible Liner for Direct Vent Pipe - 4" Dia is an integral part of the Champion Direct Vent System. This leak-free sealed system includes both non-painted and painted-black exteriors, galvalume and 304L stainless steel parts, one inch clearance to combustibles, and use of a smooth-weld and precision end forming technology.

Features:

• Made from aluminum
• Used when converting an existing chimney to a Champion direct vent chimney
• Available three inch or four inch diameter

The Champion Direct Vent System uses a Quick Connect screwless system, and consists of some of the best products in the industry, and the 35 Ft Aluminum Flexible Liner for Direct Vent Pipe - 4" Dia is no exception