Current Culture® Under Current® XL13 Expansion Kit | 30" Spacing Number of Sites:2 The internal layer is made

The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant

Premium vinyl tubing made of excellent quality bendable material

other factors such as genetics

and savory

Current Culture® Under Current® XL13 Expansion Kit | 30" Spacing Number of Sites:2 The internal layer is madeCurrent Culture Under Current XL13 Expansion Kits The Under Current Expansion Kits allow you to easily expand your Under Current system. Includes: 13 gallon Multi Mod Growth Modules with Drain Out Kit 30 Spacing CCH2O Joints with UC Spin Tight Bulkheads CCH2O Lid 5. 5 CCH2O Net Pot 5. 5 Aeration Manifold fittings Aeration Hose Leads Sintered Air Stones *For Multi Mod systems ONLY. *Truck freight required, due to weight, dimensions, or fragility of