10 x 6 Lean to Toughened Glass. Our Silverline 10 x 6 Lean to Greenhouse is a great way for garden enthusiasts to grow a great variety of plants in different seasons. This greenhouse comes in two different glass finishes horticultural or toughened glass. 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. The door can be placed on the either end. Please Note The greenhouse height is raised by Approx. 128mm when purchased with a base. Manufactured by Halls Greenhouses.