The Master Flow foundation vent covers help to lower the risk of frozen pipes in your crawl space. They also deter the entry of debris, leaves and rodents in your crawlspace. They easily mount over most 16 in. X 8 in. foundation vents and are aluminum construction. One package contains 2 covers and 2 springs.
- Aluminum construction
- Mounts to most 16 in. X 8 in. foundation vents
- Deters entry of debris and animals in crawlspace
- Two covers and springs per package