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$140.99
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2PCS Greenhouse Window Opener, Auto Vent Opener, Solar Sensitive Automatic Roof Vent Opener, Solar Heat Hothouse Roof Vent Kit, Greenhouse Supplies, Dual Spring Up to 30lbs
- Galvanized steel sheet: Greenhouse window opener galvanized steel sheets offer excellent corrosion resistance. Greenhouse vent opener strength and toughness are well-balanced, allowing them to withstand large external forces without deformation or fracture. (And the vent opener galvanized layer is uniform and smooth, with a beautiful appearance.)
- Dual Spring Design: The double spring greenhouse vent opener can bear 30lbs (15kg), and the thrust is stronger than the single spring; the automatic greenhouse vent opener can be used in different weather.
- Solar Heat Sensitive: The greenhouse window opener operates between 15 to 25 (60 - 77); the automatic window opener cannot be used at temperatures above 60(140). The window opener adapts to various weather conditions. This vent opener helps maintain an optimal growing environment inside the greenhouse with temperature control.
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Adjust Indoor Ventilation Conditions: Greenhouse window opener kit, maximum window opening is about 45cm / 17.72 inches. The window opening time can be manually adjusted to control the temperature. Solar automatic window opener through temperature management to optimize plant health.
Easy Installation: Installing the greenhouse vent opener is quick and straightforward with the provided clamps and screws. Please put the black bar into the refrigerator for at least 5 minutes to make the automatic window opener cylinder rod fully retracted before you assemble the roof vent opener.
Easy Installation: Installing the greenhouse vent opener is quick and straightforward with the provided clamps and screws. Please put the black bar into the refrigerator for at least 5 minutes to make the automatic window opener cylinder rod fully retracted before you assemble the roof vent opener.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Halo Electronics Return Policy
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