1  Add to cart Product Summary Expand your Tower Garden FLEX with the Extension Kit and grow more of what you love. Each kit adds two additional growing ports, allowing you to increase capacity while maintaining efficient aeroponic performance. Perfect for gardeners ready to scale up, this extension kit is easy to install and keeps your harvests thriving.  Please contact Customer Care with any questions about your order.  What's Included 2 Tower Garden Grow Pots/8 Grow Ports 8 Rockwool cubes 8 Net Pots 2 Extension rods We offer dedicated customer support and comprehensive growing resources to help at every stage of your Tower Garden experience.   Product Details Made from high-quality, USDA-approved, UV-stabilized, food-grade plastic.