Olicarbon transparent glass (4mm thickness) is resistant to ultraviolet (UV) sun rays and is flexible. It does not break even with hard blows. (10–15 years)
On/off lever. Case cover locking.
Galvanized sheet metal casing (0.80mm thickness) does not stretch, bend or rot. (20–25 years)
Electrostatic polyester paint, does not wear, does not throw. (10–15 years)
Telescopic rail and locking system, stainless chrome plated (2mm thickness) provides ease of use with its fully opening feature.
The protection curtain is protected from harmful birds, etc., that can enter when the cover is in the ventilation position. Provides protection from substances.