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2 Pack Greenhouse Automatic Window Opener Kit - Roof Vent Auto Opener Solar Heat Sensitive Agricutural Lift Up to 15lbs Dual Spring Opener for Ventilation
- Automatic Window Opener used for greenhouse venting, Auto open and close windows through temperature changes ( When the temperature reaches 77/25 will open the window, when the temperature reaches 59 /15) will close the window).Help your greenhouse cool down.
- Greenhouse Automatic Window Opener is made of aluminum alloy. Maximum window opening approximately 45 cm/17.72 in. Maximum opening at 30'/86'F depending onadjustment and load. Suitable for greenhouse vents weighing up to 7kg/15lb.
- Double Spring Design: Compared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable.
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Widely Applicable: these greenhouse accessories are practical and useful tools, which can be widely applied for greenhouse windows and greenhouse vents in higher wind situations, maintaining the nice growing temperature and preventing your greenhouse from overheating
Maintenance: Lubricate all movable parts with a light oil after fittingeach spring and as required duringthe summer. Applypetroleum jelly or grease to the cylinder threadoccasionally
Maintenance: Lubricate all movable parts with a light oil after fittingeach spring and as required duringthe summer. Applypetroleum jelly or grease to the cylinder threadoccasionally
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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