The WaterFarm 8 Pack Circulating Upgrade Kit contains everything needed to reconfigure an 8 Pack and add nutrient circulation capability to an existing system. This promotes even growth and more consistent results overall. Kit Includes:

• 9 1/2” Grommets
• 15 1/2” Straight Barbed Fittings
• 4 1/2” Elbow Barbed Fittings
• Blue Tubing 1/2” x 8”
• Blue Tubing 1/2” x 9’
• Circulating pumping column
• Air Hose 1/4” x 6’
• Single Output Air Pump
• 13/16” Spade bit
• 1/4” Drill bit