Double Spring Automatic Vent Opener Grange 5m Width- 10mm Series Images are of the 3100

Images are of the 3100 Lean-to Model

Please read instructions before use on the product box for further information

so you can pick your favourite colour — or grab both to add a pop of style to your plant care routine

Grange 14000 (Suit 14m Length) Cantilever Shelving Model

Aluminet is a special knitted silver screen made from metalised fibre which gives it durability and longevity

Double Spring Automatic Vent Opener Grange 5m Width- 10mm Series Images are of the 3100Automatic Vent Opener One of the first things you will notice about your greenhouse is that its designed to trap heat. This is a good thing in winter, but in the summer months your greenhouse can quickly become overheated if you forget to open and closed your roof vents. Our dual spring loaded automatic vent openers means there is no need for an elaborate electrical system. As the ambient temperature increases the mineral wax within the cylinder will