Automatic Vent Opener, Temperature Sensitive Double Spring Greenhouse Opener for Aluminum Frame Greenhouses, Black, 45cm Open Distance

1. [Automatic Vent Opener]Greenhouse opener can open and shut your greenhouse window automatically to maintain the best-growing temperature and prevent your greenhouse from overheating. 2. [Wide Applicability]The vent opener can be closed manually and is easy to install, fit for most aluminum frame greenhouses. 3. [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). 4. [ Construction]Durable and rust-proof Iron opener with paint spraying for last long time use. 5. [15lb Load Bearing]Use the Standard Vent Opener to lift up to 7kg / 15 lbs. Spec: Description: Ingenious temperature-sensitive automatic vent opener can automatically open and close window frame, really works well in maintaining the greenhouse within the preferred temperature range. The vent opener starts opening between 15-25℃ (60-77℉), depending on how you have adjusted the cylinder. Features: [Automatic Vent Opener]Greenhouse opener can open and shut your greenhouse window automatically to maintain the best-growing temperature and prevent your greenhouse from overheating. [Wide Applicability]The vent opener can be closed manually and is easy to install, fit for most aluminum frame greenhouses. [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). [ Construction]Durable and rust-proof Iron opener with paint spraying for last long time use. [15lb Load Bearing]Use the Standard Vent Opener to lift up to 7kg / 15 lbs. Specifications: Material: Aluminum, Stainless Steel Color: Black Star open at:：15-25℃ (60-77℉) Fully open at: 30℃/86℉ open distance: 45cm/17.71inch Load bearing: 7KG / 15lb Cylinder Length: 33.8cm / 13.3inch Package Size: 37.5*9.8*4.5cm / 14.76*3.85*1.77inch Package Weight: 439g / 0.96lb Package List: 1 * Automatic Vent Opener 1 * Cylinder 1 * Package of Accessory 1 * Manual (English) Note: Do not heat to more than 50℃(122℉). Do not dismantle the cylinder. Do not apply excessive loads by locking or covering window. packing list: 1 * Automatic Vent Opener 1 * Cylinder 1 * Package of Accessory 1 * Manual (English) Note: Do not heat to more than 50℃(122℉). Do not dismantle the cylinder. Do not apply excessive loads by locking or covering window.

• [Heavy Duty Performance] Built with durable rust-proof iron and paint spraying, this vent opener can lift up to 7kg (15lbs) with ease. the double spring system provides reliable operation season after season, making it perfect for both small and medium-sized greenhouses with aluminum frames.
• [Durable All-weather Construction] The robust stainless steel and aluminum construction withstands harsh weather conditions while maintaining smooth operation. the vent opener's paint-sprayed finish prevents rust and , ensuring long-lasting performance year after year in your greenhouse environment.
• [Easy Installation & Wide Compatibility] Designed for simple setup, this automatic vent opener fits most standard aluminum frame greenhouses. it can be manually closed when needed and requires no electricity or external power source, offering convenience and versatility for various greenhouse setups.
• [Automatic Temperature Control] This greenhouse vent opener automatically opens and shuts your greenhouse to maintain optimal growing temperatures and prevent overheating. its temperature-sensitive mechanism starts opening between 15-25°c (60-77°f), reaching full extension at 30°c (86°f), ensuring your plants stay in their ideal climate range without manual intervention.
• [Adjustable Temperature Range] Customize your greenhouse climate by easily adjusting the opening temperature between 15-25°c (60-77°f) simply by turning the cylinder. the maximum opening distance of 45cm (17.71 inches) ensures proper ventilation when temperatures rise, protecting your plants from heat stress.