TOPINCN Replacement Window Opener, Greenhouse Automatic Roof Vent Opener Replacement Cylinder Temperature Sensor

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About this item

• [REPLACEMENT CYLINDER ONLY] Designed as a greenhouse window opener replacement cylinder only. Ideal when your automatic vent no longer opens or closes properly and the original cylinder needs renewal.
• [AUTOMATIC TEMP CONTROL 16C TO 26C] Built in temperature sensing helps open and close greenhouse vents automatically within about 16C to 26C 60F to 78F to support healthier plant growing conditions.
• [SOLAR POWERED OPERATION] This non electric vent opener cylinder uses solar heat response to lift or lower vents as temperatures rise or fall helping reduce greenhouse overheating without wiring.
• [FITS SINGLE OR DOUBLE SPRING TYPES] Suitable for single spring or double spring window openers and compatible with most greenhouse shutter opener styles making replacement simple and practical.
• [DURABLE MATERIAL WITH USE NOTES] Made of quality material and easy to use. Refrigerate before use. Do not dismantle or expose above 50C 122F. Actual color may vary slightly due to display differences.