SPECIFICATIONS
Brand Name: NoEnName_Null
Origin: Mainland China
Cover Material: galvanization
Model Number: commom
Type: Solar Agricultural Greenhouses
Type: greenhouse window opener
Size: Approx 38x9.5x5cm
types of: Single spring
Important Notice
1. Automatic ventilation of greenhouse can not be used at temperatures above 50° (122 F)
2. Make sure that your greenhouse window opens normally
Specifications
- Maximum height of the window opening about 45cm
- The temperature of complete opening about 30° (depending on adjustment and load)
- Maximum weight vents not more than 7kg/15lb
- Opening temperature regulated 16° to 25°
Note
When you receive this item in summer, you need to put the black bar into the refrigerator not less than 5 minutes to make the cylinder retracted fully before you assembly this product.