Rhino Roof Blind 2ft Wide For 9ft 10ft 12ft Wide RhinosTemperature control in a greenhouse is vitally important to good growing. Depending on the temperature, your greenhouse may need shading as early as March! A sunny day will see temperatures inside the greenhouse rapidly rise and this can cause damage to your seedlings and cuttings. Providing around 60% shade, our unique patented design roof blinds fit securely to the ridge of your Rhino and can be left there permanently. When needed the blinds can be