Active Aqua     Grow Flow Expansion Outer Bucket Only, 2 gal
Active Aqua Grow Flow Expansion Outer Bucket Only, 2 gal at HorticultureSource.com -
Grow Flow 2-Gal Expansion Outer Bucket Only   Features Centered drain fitting minimizes standing water Unique aeration channels for improved root health Each bucket holds approximately 13L of clay pebbles or similar medium