Min. Order Reference FOB Price
100 Pieces US$7.00-9.00 / Piece
Product Description
Automatic Machine for Ventilation in Greenhouses czlouie.en.made-in-china.com 1.Fully automatic greenhouse ventilation. 2.Heat activated. 3.Can be adjusted to open at temperatures in the range 15-25 C(60-77F). 4.Maxium opening at 30-38C,depending on ...