The Rare Blade Cell/Cabinet Fans are manufactured with the double-walled panels. The special chassis with 150 mm height are used under the units. The fan and the motor system are connected to the device body by means of the spring-loaded vibration absorbers. The air outlet of the radial fan is connected to the cell panel with the flexible fixings. The rare blade cell fans can be installed with the oil retaining metal filters for the systems transferring greasy air. Due to the backward curved blade structure, the winged cell fans produce higher pressure by making more cycles. They are also used in wet environments. Since the blades are welded to the fan body and are more durable and the balance is not impaired