Panasonic Passive Inlet Vent FV-GKF32S1

Provides make-up (outside) air to help balance indoor vs. outdoor air pressure

FEATURES
* Sturdy Open/Close Lever -  can be completely close with a flip of a lever
* 2 Position Air Delivery
* Washable Air Filter
* Bug Screen
* Foam Pad to reduce outdoor noise and condensation
* Insulation lining to prevent condensation
* Through-the-Wall Sleeve 3-1/4" diameter, 12" Total length (with 2 sleeve pieces joined).  Works for Wall thickness 4-1/2" to 12"
* Durable ABS and PP Resin Body
* Stainless Steel Installation Screws 7 included
* 3 Setting Positions Closed, 12 and 18 CFM
* Wall Opening (diameter) 3-11/32"
* Outside Hood Dimensions - 5-3/4" W X 6" H
* Inside Main Body Dimensions - 6" Square