Univent Automatic Vent Opener Greenhouse Cooling Greta Heinen provides helpful information

Greta Heinen provides helpful information

Meet your new gardening sidekick—the Dramm Hydroponic Clippers

Best when used in multiples with high-mounted vents to allow hot air to escape and low-mounted vents to allow cool fresh air to enter

The exclusive Blower Bracket and Air Deflector Kit has a 4-port air deflector that reduces film deterioration by directing air away from the film layer

where ultimate winter efficiency is the name of the game

Univent Automatic Vent Opener Greenhouse Cooling Greta Heinen provides helpful informationWant a reliable and economical way to control a light greenhouse or cold frame top hinged roof vent? The Univent Automatic Vent Opener does just that! It opens and closes vents based on the temperature, helping keep airflow steady and your plants happy, all without electricity. Its a simple, hands off solution for maintaining the perfect climate.