The Original DWC Hydroponic System (24"� x 20"� x 8.5"� - 8 plants) is the perfect size. Now you can turn any space into a garden. The system features Large 3.75"� super fine net pots. Each 3.75"� pot gives you 25% more room for your roots than a standard 3"� net pot. Every Original DWC Hydroponic System comes with a variable speed 2 outlet air pump. Maximum oxygen levels to the root system is achieved. The variable speed gives you total control. Deep Water Culture is a hydroponics method of plant production by means of suspending the plant roots in a solution of nutrients.