Wilma 4 pot system SIZE 75 BY 75. Wilma drip irrigation systems are designed to provide high yields in as simple a way as possible. Available in a range of sizes to suit the modern grower, the Wilma has been developed to include. Improved spacing between pots - A handy nutrient mixing tap - Easier access to the reservoir. Wilma is a collaboration between Atami and Nutriculture.1x Wilma Tank 30 Litre. 4x Wilma 11 Litre Square Pot. The item "Atami Wilma 4 Pot Complete Dripper System Grow Kit Hydroponics 11 ltr pots 75/75" is in sale since Monday, December 31, 2018. This item is in the category "Garden & Patio\Hydroponics & Seed Starting\Other Hydroponics". The seller is "highstreethydro" and is located in Colwyn Bay. This item can be shipped worldwide.