The Grow Flow Expansion Kit includes six growing modules， each consisting of a round 2-gallon pot with 0.5-inch fittings， an inner bucket， and all necessary connectors and tubing. Each pot features a concave bottom with multiple drain holes for better water flow. Please note that a control unit and reservoir (sold separately) are required to use this expansion pack. This Grow Flow Expansion Kit is part of the most efficient ebb & flow system on the market. You can connect up to 24 growing modules to a single 5-gallon system – and up to 48 modules with the 2-gallon system! You can also build your own system from the ground up by purchasing all the components individually.

• Grow flow expansion kit designed to improve your existing grow set-up and deliver nutrients to your plants
• Includes 6 growing modules， each consisting of 1 round 2-gallon pot with 0.5-inch fittings， an inner bucket， and all necessary connectors and tubing
• Each pot features a concave bottom with multiple drain holes for better water flow
• You can connect up to 24 growing modules to a single 5-gallon system – and up to 48 modules with the 2-gallon system
• Includes:
• 6 2 gallon black round buckets
• 6 Inner black buckets
• 5 1/2" drain tee connectors (pre-installed)
• 1 1/2" elbow fitting (pre-installed)
• 6 drain screens (pre-installed)
• 6 washers (pre-installed)
• 1 25-inch length of 1/2-inch BPA free tubing
• 2 1/2-inch additional elbow fitting with screens included to customize site layout
• Color: Black
• Dimensions (L x W x H): 10.3 x 10.3 x 30.1 inches
• Weight: 10 pounds
• Manufacturer warranty: 1-year warranty