Aramox Automatic Vent Opener, Greenhouse Opener Auto Vent Temperature Sensitive with Double Spring, for Aluminum Frame Greenhouses 15-25 15lb Load Bearing

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. 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.

• [Versatile Greenhouse Solution] With a generous 45cm (17.7 inch) maximum opening distance, this automatic vent opener accommodates various greenhouse window sizes. the manual override capability lets you close vents when needed, while the compact 33.8cm (13.3 inch) cylinder fits most standard greenhouse frames.
• [Automatic Temperature Control] This innovative greenhouse vent opener automatically adjusts your greenhouse to maintain the perfect growing temperature. the temperature-sensitive mechanism starts opening at 15-25°c (60-77°f) and reaches full opening at 30°c (86°f), ensuring your plants never overheat while minimizing manual intervention.
• [Smart Plant Protection] Maintains optimal growing conditions by automatically ventilating your greenhouse before temperatures become dangerous. the reliable mechanism operates without electricity, providing energy-free climate control that protects delicate plants from heat stress while promoting growth.
• [Heavy Duty Construction] Built to last with durable iron construction and protective paint spraying, this vent opener resists rust and weathering. the robust double spring mechanism provides reliable operation season after season while supporting weighing up to 7kg (15lbs) for dependable performance in all conditions.
• [Easy Installation & Adjustment] Designed for hassle-free setup on most aluminum frame greenhouses, this vent opener features simple installation with included accessories. the adjustable cylinder allows precise temperature calibration (15-25°c/60-77°f range) to suit your specific greenhouse needs and local climate conditions.