Our Aluminium Popular 6 x 6 Metal Greenhouse is a great way for garden enthusiasts to grow a great variety of plants in different seasons. This greenhouse comes in three different glass finishes horticultural, toughened glass or polycarbonate glazing. You can also purchase an optional halls auto vent to help you control variations in temperature, it can be attached to any halls opening roof vent. This long lasting & low maintance greenhouse also comes with a 15 year guarantee. Please Note The greenhouse height is raised by Approx. 128mm when purchased with a base. Manufactured by Halls Greenhouses.