Double Spring Automatic Vent Opener Grange 5m Width- 10mm Series 4 & 5 Shading Kit

4 & 5 Shading Kit

This hardening-off period is essential as seedlings can suffer serious setbacks if moved directly from a warm environment and the protection of a greenhouse into the outdoor garden

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

Designed for the side wall sections of our Greenhouses they now extended to full width and is tiered to accommodate a large variety of plants or seedling trays

Images are of the 3100 Lean-to Model

Double Spring Automatic Vent Opener Grange 5m Width- 10mm Series 4 & 5 Shading KitAutomatic 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