WEB WHUMREG Humidifier Register
This WEB humidifying floor vent register brings moisture into any room during the dry winter months. Simply fill the water reservoir and warm air from the furnace will filter through the moist wick filter and help add moisture to the air you breathe. It is great for bedrooms, safe, quiet and non-electric. Fits standard floor vent registers 4-Inch by 12-Inch and 4-Inch by 10-Inch in size.