Enhanced Flow Capacity: Increased flow rate designed for tower systems that have Extension Kits to support taller growing configurations Timer Compatible: Works seamlessly with the Tower Garden pump timer for automated watering schedules Compact Design: Looks the same in pictures as the standard pump but is slightly larger in comparison for improved performance High Capacity Performance: Allows your tower garden to reach new heights with this high capacity pump that delivers superior water circulation Complete Package: Included components are 1 Pump, 4 rubber suction cups, and 1 adapter for easy installation Superior Pumping Power: Small in size but capable of pumping more gallons per minute with more pressure than the standard Tower Garden Submersible Pump Extension Kit Support: Enables you to grow your Tower Garden with two or more Extension Kits for expanded growing capacity 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.