Automatic Window Vent Opener 2Pcs Set

2x Automatic Window Opener for Greenhouse   Optimal ventilation through temperature-controlled opening and closing. The automatic window opener can be installed easily and quickly. Suitable for all common greenhouses and garden sheds. The piston of the cylinder opens and closes the window depending on the temperature. You can continuously adjust the opening angle by turning the cylinder and so get the right ventilation for your greenhouse. You get the automatic window opener 2x mounting material included suitable for wooden and aluminum greenhouses. Product Advantages: suitable for windows of common greenhouses and garden sheds made of wood and aluminum ultralight design - easy to transport automatic opening and closing of the window by temperature perfect ventilation of your garden & greenhouse opening height 45cm Opening angle continuously adjustable by turning the cylinder no electricity and no batteries needed Technical Data: Lifting power: max. 7.5 kg Lifting height: max. 45 cm Temperature area: 16°C up to 35°C Dimensions: (L x W x H) 32cm x 4.5cm x 5cm Weight: 600 g Scope of Delivery: 2 x Automatic window opener mounting material