Economical Aluminum Louver Vents for Small Projects

"My greenhouse was sweating too much and needed some ventilation during the summer.  I just wanted something small so I could easily cover it in the winter.  These worked perfect."

"I hate having to replace wood and galvanized vents on almost every project.  But these are so simple and aluminum metal I won't have to worry about them. I'm using them on every project now."