Cooler Master Desert Cooler The Cooler Master Desert Cooler CK2836 and CK2837 feature water tanks with capacities of 90 liters and 110 liters, respectively. This durable unit comes in a practical green color and is designed for efficient cooling in hot and dry environments using evaporative cooling technology. 90 liters costs 990 riyals. 100 liters costs 1050 riyals. 110 liters costs 1100 riyals, including delivery within Jeddah.