Valcourt 4"Ø Fresh Air Intake Register with Airtight Damper - 7pcs. sqft450 it helps prevent potential fire

it helps prevent potential fire hazards and ensures that the installation meets safety codes and regulations

Innovative self-ignition system delivers hassle-free automatic starts and works with a thermostat for easy operation

Large wood fireplace — Behind its large glass door

The BI-40-XTRASLIM comes standard with clear glass media

Note: A Firestop is not required when passing through the roof

Valcourt 4"Ø Fresh Air Intake Register with Airtight Damper - 7pcs. sqft450 it helps prevent potential fireThis device opens and closes the fresh air supply to a wood or pellet heating appliance being certified with a 4" fresh air intake kit. Its simple mechanism makes it possible to close the damper tightly when the heating appliance is not in operation. Documents & Files Owner's Manual