3" x 3" Ventis PelletVent Pipe 304L Galvanized Inner/Black Outer 7" Masonry Adaptor - VP-MA037
This masonry adaptor is used to connect Pellet pipe to flex liner.
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 www.P65Warnings.ca.gov.
Lifetime Warranty