Abridor automático de ventilación para invernadero de hierro, capacidad de carga de 15 libras.

Automatic Iron Greenhouse Vent Opener, 15 lbs (approx. 6.8 kg): Single-spring temperature-controlled automatic vent opener. Robust and durable rust-resistant iron construction with a durable paint finish. Highly compatible: can be manually closed, easy to install. Suitable for most aluminum-framed greenhouses. Automatic opening and closing function maintains optimal temperature and prevents overheating. Temperature adjustable via rotating cylinder, range from 15 to 25°C (60 to 77°F); maximum opening temperature approximately 30°C (86°F) (depending on setting and load). Maximum load capacity: 7 kg (15 lbs). Product Description: This ingenious automatic temperature-controlled vent opener automatically opens and closes vents, effectively maintaining the desired temperature inside the greenhouse. Opening temperature range is 15 to 25°C (60 to 77°F), depending on cylinder setting. Specifications: Lock cylinder length: 33.8 cm / 13.3 in; Package weight: 520 g / 1.14 lb; Material: Powder-coated iron; Maximum opening distance: 45 cm / 17.71 in; Color: Silver; Maximum load capacity: 7 kg / 15 lb; Package dimensions: 38 x 10 x 5 cm / 14.96 x 3.93 x 1.96 in; Full opening angle: 30° / 86°; Half opening angle: 15-25° (60-77°); Caution: Do not heat above 50°C (122°F). Do not disassemble the lock cylinder. Do not apply excessive force when locking or covering windows. Package contents: 1 * Instruction manual (English); 1 * Accessory pack; 1 * Automatic window opener