... 2.Covered by poly film 3.Economical and easy to install conservatory, greenhouse 1. FuntionIt's usually suitable ... for small area planting, from 40-1000m2, used to grow vegetables such as tomato, cucumber, chilli etc, ... .Anti-UV, anti-dew, temperature range -40 C to +60 C.5.DoorBisect door, galvanized steel framework, ... screen, heating system etc is also available. single span vegetable conservatory