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Automatic Window Opener Kit for Greenhouses Dual Spring Design

Name: Automatic Window Opener Kit for Greenhouses Dual Spring Design
SKU: 47449
Availability: InStock

Original price was: $56.99.Current price is: $34.19.

Effortlessly regulate your greenhouse environment with our Automatic Window Opener Kit. Buy now for optimal plant growth and comfort!

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Double spring design: The double spring greenhouse vent opener can bear 30lbs, and the thrust is stronger and stronger than the single spring, which can be applied to different weather
Solar thermal sensitive: It is recommended that before use, the cylinder is placed in the refrigerator for at least 0.5h, so that the cylinder is fully retracted, and the temperature of the opener can be adjusted by itself, and the rotation is 0.5 degrees
Quality material: Greenhouse window opener kit Aluminum alloy material, the maximum window about 45 cm /17.72 inches. The maximum opening is 30℃/86℉
Widely applicable: Widely used in high air volume of greenhouse Windows and greenhouse vents, maintain a good growth temperature, to prevent overheating of the greenhouse
Maintenance: lubricate all moving parts with light oil after installation every spring, and lubricate as required in summer. Occasionally apply petroleum jelly or grease to the cylinder threads

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