Description
Automatic Roof Vent Opener
This model is an attractive cost effective unit with a unique opening action, ensuring a smooth twist free operation, and with the cylinder mounted within the racket to eliminate projection in the greenhouse. It is finished in a durable polyester powder coating and is corrosion resistant throughout. Easily fitted to aluminium and wooden greenhouse with a maximum opening of 35cm (14inch).
Brian Fitzsimmons –
Very effective but, VERY tricky to fit, particularly when you are in your mid eighties!
You do need an assistant.