AC Infinity Wall Mount Duct Shutter, 4-Inch, White Steel gavita wiped on or used in

wiped on or used in a fogger

or plumbing needed

adhesive removal

the cover closes tight around the tumbler

Installation was straightforward and it's been running flawlessly for months

AC Infinity Wall Mount Duct Shutter, 4-Inch, White Steel gavita wiped on or used inDescription Wall mounted Shutter: This shutter is designed for use in various HVAC applications including grow rooms, dryers, and attics. It features built in rubber stoppers that dampen slamming vent blades and ensure complete blockage. The non return thin louvers close when the fan is not in use to prevent outside air and debris from entering. Durable and Lightweight: The body of this shutter is made from lightweight steel that is durable and rust