The Voltas VN-D50M Desert Cooler has large water tank capacity of 50 liters. This ensures that it will keep your room cool for long. Larger water capacity equals longer and better cooling.With each refill of the water tank, the cooler will ensure comfort for long hours. This Voltas VN-D50M Desert Cooler enables quick cooling and strong air delivery. This will also ensure that the volume of air is chilled and reaches the far corners of your room.The Voltas air cooler is designed with a42 cm fan blade that throws air at a maximum distance of 22 ft. The air delivery power at its highest point is 3300 cubic meters and hour. The Voltas air cooler comes with speed control settings.