[High Quality Material]: Manual Window Opener Bar uses high-quality aluminum, sturdy and durable, and high-quality structure-reliable and high-quality anodized aluminum automatic window opener for greenhouses.
[Wide Application]: The Greenhouse Window Opener Bar is suitable for most greenhouse (roof vents). The window support kit can maintain the optimal growth temperature and prevent your greenhouse from overheating.
[Practical Tools]: This is a bar window stay kit containing 1 of window opening bar, 2 of pegs and 6 of A2 stainless steel nuts.
[Replaed Bolts]: The bolts are the correct length which will allow direct replacement as many roof vents are bolted under the glass.
[Fine Workmanship]:Roof Vent Opener has rounded edges to avoid hand injury, fine workmanship, and smooth surface.
