Description Revolution Silenced The Revolution Silenced fan is a class apart, the most efficient fans on the market are then wrapped in an engineered silenced body. The specially designed acoustic body and the acoustic foam halves the noise of the standard fan without reducing the powerful air flow. Our silenced fans are engineered to be sealed, powerful and silent. The Revolution Stratos AC version offers greater air flow and performance under pressure than any other AC fan on the market. Can be controlled by Triac, Step transformers or frequency controller.
