[18 INCH OPENING] Opens greenhouse vents up to 45 cm or 18 inches to boost airflow and reduce heat buildup. Wide opening clearance helps create a steadier growing climate for flowers vegetables and seedlings.
[15 LB LIFT CAPACITY] Built to support vent windows up to 7 kg or 15 lb. Ideal for light greenhouse roof vents and farm windows where reliable daily opening and closing helps protect crops from overheating.
[30C AUTO CONTROL] Temperature responsive cylinder begins operation at 30C or 86F to open and close vents automatically. No electricity or batteries needed helping maintain healthier airflow with less hands on work.
[ALUMINUM STEEL BUILD] Made from aluminum and stainless steel to resist rust humidity and repeated seasonal use. Strong bracket and cylinder design supports dependable performance in farm and garden greenhouse settings.
[EASY INSTALL KIT] Includes 1 cylinder 1 bracket 8 screws 4 accessories and instruction manual for fast setup. Clamp style mounting suits new greenhouse projects and replacement upgrades with convenient installation.
