DIY Cold Frame / Greenhouse Vent

Vent available at Home Depot (currently $2.77) which was cut into 3 separate vents:
www.homedepot.com/p/Master-Fl...

[@wrodriguez8031]

Thanks for the great idea. When I cut the plastic from inside after I glued the part to the plastic, I cut it in 3 parts only and hold it up with Velcro in case I want it to close it for any reason - like if it gets too cold.

[@debral9651]

Thank you.this was very helpful

[@ninetysixlang7839]

Great information. Thank you very much.