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The Sunny automatic, heat-activated ventilation window is a perfect complement to your Sigma Greenhouse. Provides extra ventilation and improves air circulation in your Sigma Greenhouse. It is easy to install.
For maximum efficiency, we recommend that you install a ventilation window on each side of the greenhouse. Only fits Sigma greenhouse models.
Technical data:
- Maximum window opening, approx. 45cm (17 23/32 in) – depending on adjustment and load
- Maximum opening at 30 °C (86°F)
- Start opening temperature 17 °C-25°C (62,60°F-77°F)
Customer Reviews
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Greenhouses are amazing products, and they require special shipping and handling. That is the reason, we have been working diligently over the past year to secure preferential shipping rates for our customers. Most shipments across Canada and the US are between $250 and $450.
- We will contact you to confirm shipping price, based on your location and order size.
- Shipping on most orders is between $250 and $450, customers in remote areas may need to pay extra.
- When you place your order, please make sure to enter the correct Phone and Address at checkout. You will be contacted by phone before the item is shipped. We cannot be responsible for deliveries to incorrect addresses.
- As part of the delivery process, we require a contactable telephone number (for the courier company to contact you) before the item is shipped.
- We do not ship to PO Boxes, as in most cases you will need to sign for your item.
- Orders placed on weekends or public holidays will not begin processing until the next business day.
Heavy Duty Design
Extra durable construction with galvanized steel for year-round stability