HTG Supply Bubble Brothers 6-Site DWC Hydroponic System Bubble Brothers complete 6-site DWC hydroponic system by HTGSupply Includes: (6) Space-saving 3.5-gallon low-profile buckets, (6) 6" net-pot lids, (1) 951-gph high-power commercial air pump with 6-way divider, (6) larger 2" premium air stones, (1) 50' roll 1/4" air tubing Comes complete with 10-liter bag of high-quality clay pebble grow medium Electrical (air pump): 41 watts, .42 amps @ 120v Assembled buckets measure: 10-7/8" Tall x 12" Wide (each) ; Assembly instructions included