Viagrow DWC Hydroponic Veg Lid, 4" Mesh Bucket Lid, 3" Net Pot Sites The Viagrow DWC Hydroponic Veg Lid is a heavy-duty wide lip bucket lid designed for hydroponic applications. It fits standard 3.5-gallon and 5-gallon buckets and features four 3-inch mesh pots. The lid is easy to place on and remove from buckets. The mesh pots provide ample aeration for root development and help deter weeds, while the black opaque plastic prevents light from reaching the water, reducing algae growth. For optimal results, use VS2 or VS10 Viastone grow rocks as your media. This lid is sturdy, easy to clean, and ensures a clean growing environment. Specification Details Fits Buckets Standard 3.