Backward Curve type Double Inlet Centrifugal Blowers are equipped with impeller of 108mm to 250mm size range. These Centrifugal Blowers are designed to ensure air flow varies from minimum of 800CMH to maximum 4600 CMH. These Centrifugal Blowers are offered in a sturdy construction that ensures longer functional life. Backward Curve type Double Inlet Centrifugal Blowers are energy efficient and have an opening on both sides.