4'' Fresh Air Intake Adaptor for use with HE250R/HE275CF/HE325/ME150/ME300 - AC01347
This device opens and closes the fresh air supply to a wood or pellet heating appliance being certified with a 4" fresh air intake kit. It's simple mechanism makes it possible to close the damper tightly when the heating appliance is not in operation.
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.