Increased flow for tower systems that have Extension Kits. Works with the Tower Garden pump timer. Looks the same in pictures as the standard pump but is slightly larger in comparison. Let your tower garden reach new heights with this high capicity pump, Included: 1 Pump, 4 rubber suction cups, 1 adapter. The High Capacity Submersible Pump is small in size but capable of pumping more gallons per minute with more pressure than the standard Tower Garden Submersible Pump. As a result, this pump allows you to grow your Tower Garden with two or more Extension Kits.