SUITABLE FOR MOST GREENHOUSES
Notes:
Do not use this opener anywhere the temperature will exceed 50° (122F)
Please ensure your greenhouse window can be opened freely by at least 45cm (18")
Do not apply excessive loads by locking or covering window
Do not dismantle the cylinder
The opener CANNOT stop by manual
Suitable for greenhouse windows up to 7 kg (from 7 kg we recommend using two window drives).