Lovely 24+ Fireplace Air Intake Vent Cover
Lovely 24+ Fireplace Air Intake Vent Cover. See more ideas about air vent covers, vent covers, air return. The air intake allows the fireplace to use outdoor air for combustion and to a lesser extent venting which minimizes the impact of fireplace operation. External air intakes are used to bolster a fireplace's supply of air. Fireplaces, especially wood burning fireplaces, can consume a large amount of oxygen in a short amount of time, and the normal vents traditionally installed are not always enough to supply the needed oxygen.