Rion Eco Grow 6X6 Acrylic Glass Twinwall Greenhouse.This Palram greenhouse made from polycarbonate is supported by resin frames with a single fixed window. It comes with a roof vent lockable hinged door.
Aluminium Greenhouse Window Auto Vent H500mm D400mm.This handy aluminium greenhouse window auto vent works with any weather changes to regulate the temperature of your greenhouse.