An Automatic lift vent For 40 x 40cm apertures with automatic thermostatic control with 3 speeds (1) low (2) medium (3) high
- Rain sensor (meaning the lid automatically closes if left open during rain)
- Rain sensor (shut off override)
- White Opaque ASA (Weatherable ABS) dome
- Clear high impact polycarbonate blade and motor mount
- Interior is white high impact Polystyrene.