Active Aqua Tray Stands offer strength and mobility for all scenarios involving use of specific propagation flood tables. The reinforced steel structure with casters is easy to assemble, features an attached light hanging cross bar, and supports flood tables for even tray balance, equal water distribution and proper drainage. The low profile design ensures trays are positioned directly over reservoirs so more vertical space is available for plant growth.The light hanging bar can be adjusted from 51" to 73".They perfectly hold the Active Aqua flood tables, and will fit the Botanicare white 4x4 flood tables.Flood table not included