This window opens is it most optimal lining greenhouses with polycarbonate. Windows with polycarbonate is not sa tongue as windows with glass. What means, to fool what blower can ventomax past, the laws spiro have difficult by to close windows with polycarbonate, whereas univent with double spring himself draws window to. Good past, the laws frequent vent is much important lining greenhouse plant well-being.
Aluminum.
Suitable to greenhouses with glass past, the laws polycarbonate.
With double spring there himself draws window in.
Can indsti...
Brand: Juliana
