Ventomax Automatic Roof Vent Opener Toughened Glass A sunny day will see

A sunny day will see temperatures inside the greenhouse rapidly rise and this can cause damage to your seedlings and cuttings

Temperature control in a greenhouse is vitally important to good growing

Control of the temperature is achieved with the 2nd dial

You can also colour match your seedrack to your Rhino Greenhouse

Ventomax Automatic Roof Vent Opener Toughened Glass A sunny day will seeThis reliable and effective automatic opener will open and close your greenhouse roof vent far better than you could ever achieve manually. This model is not designed to be removed during the winter months although it is still possible with a little work.