3" to 4" HomeSaver UltraPro/Pro 316L-Alloy Stainless Steel Male to Female Increaser - 4344SS
This increaser (small end crimped) is used to increase the ends of a chimney liner for an enhanced venting system.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to .
