Product Information
- [Automatic Vent Opener]Greenhouse windows opener can open and shut your greenhouse window automatically to maintain the best growing temperature and preventing your greenhouse from overheating.
- [Wide Applicability]Single spring vent opener can be closed manually and easy to install, fit for most of aluminum frame greenhouse.
- [Adjustable Temperature Range]Temperature range is adjustable from 15-25℃ (60-77℉) by turning the cylinder, maximum opening at about 30℃/86℉ (depending on adjustment and load).
- [Iron Construction]Durable and rust-proof Iron windows opener with paint spraying for last long time use.
- [15lb Load Bearing]Use the Standard Vent Opener to lift up to 7kg / 15 lbs.
