1Pc Automatic Greenhouse Vent Opener Durable Double Spring Window Opener for Greenhouses Sturdy Space Saving Design for Gardens Farms

Package Include 1 x Automatic Vent Opener Features -Color: Silver opener auto vent -Size: About 34.00X12.00X5.00cm/13.36X4.72X1.97inch automatic vent opener greenhouse windows -Material: Galvanized sheet, aluminum greenhouse-window-openers - ventilation window opener in cannot be used in an environment where the temperature is higher than 50°C greenhouse window opener auto. -The maximum height of the open window is about 45 cm greenhouse vent opener strut. -It can be installed easily onto your greenhouse frame, very simple and convenient. auto vent opener automatic -The window opener is made of materials, which is strong and sturdy. auto vent opener -Great for variety of occasions, garden, flower room, farm, botanical garden, railway and greenhouse greenhouse vent automatic opener.Goods Descriptionautomatic greenhouse window opener Auto-opening temperature range is adjustable from 15-25℃ by turning the cylinder.greenhouse vent automatic opener The window opener automatically opens and through the thermal induction of the temperature, maintains the best growing temperature.greenhouse window opener When the temperature changes, the vent opener can automatically stretch or contract the vent

• Greenhouse window openers:this automatic window opener is made of galvanized sheet and aluminum materials,automatic vent opener
• Automatic greenhouse vent opener:made of , very sturdy and durable,greenhouse window opener auto
• Opener auto vent:the paint spraying aluminum frame looks more lustrous, durable and rust-proof,greenhouse window vent opener
• Greenhouse window opener:can be clamped onto or screwed onto your greenhouse frame,automatic greenhouse window opener
• Greenhouse vent opener strut:it can be installed easily onto your greenhouse frame, very simple and convenient,greenhouse-window-openers