15.5 in

Our best selling system now is even better. Now with top feed available, and with more functional layout ou will be able to set your plants in any position. Also is made with expansion in mind, so take a breathe and relax because setup has never been so easy. **Old versions description** this unit is still available as wellversatile hydroponics undertow DWC is what you need to supercharge your plants into a frenzy that will continue into the fruit/flowering stage. With s average of 25% higher yields/faster growth. No tools needed! Quality built in South Dakota, we do t just build it. We grow with the same systems we build! (1)5.3 gallon hinged control bucket with built in water level indicator/drain line (2) 5 gallon plant sites, grommets already installed for you (2) 6″ net pot lids w/built on easy connect airline (2) 3/4″ barb ball valves (allowing to single out any or all buckets for maintenance) (3) 1/2″ feed line barb Ball valve Grommets for each and every hole already installed Left /right return Arms: (4) 3/4″ barb straight connectors (2) 3/4″ barb eLbows (3) 1/2” straight connectors 3L Clay pebbles (4) Starter rockwool cubes (2) pawfly air stones (2) 65 gph air pumps (2) 6″ 3/4″ hydrofarm tubing with fittings already installed (fittings listed above) (4) 12″ 3/4″ tubing(already pre- built around valves) (1) versatile hydroponics feedline setup (made from house barbed fittings and hydrofarm tubings and hydroflow ball valves)