Mill Finish Economy Aluminum Shutters Inflating Blower 16 inch 2 20 inch

16 inch 2 20 inch 1095 18 inch 2 20 inch 1740 20 inch 2 30 inch 2830 24 inch 3 36 inch 4245

This is the strongest flat tray we carry

this filter is convenient

it helps maintain the right airflow by opening and closing based on temperature – no extra adjustments needed

biodiversity

Mill Finish Economy Aluminum Shutters Inflating Blower 16 inch 2 20 inchThese are the most economical replacement shutters that are still made from aluminum ensuring no rust and years of service. These are the perfect replacements for failing intake shutters. They come in multiple sizes to fit almost any standard opening. These are light weight, wont corrode, and an economical choice for light duty use in weather protected situations.