This is a replacement cylinder compatible with automatic window opener.
High sensitivity, automatically responds to weather changes, so you don't have to stay near the greenhouse.
Non-electric, uses solar energy, opens or closes greenhouse vents when the temperature rises or falls.
Greenhouse window automatic roof vent opener is good compatible with most greenhouses compatible with opening or closing windows automatically.
Time and labor-saving, can also provide a better temperature condition compatible with plant growth.
Specifications:
Condition: New
Temperature range: 20~25℃ / 68~77℉
Size: Approx. 33 * 1.5cm / 12.99 * 0.59in
Color: black + silver
Material: stainless steel + plastic
Package contents:
2 * Window opener
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.