Screen fitting only. This fitting is used for the flood/drain (ebb/flow) cycle in flood tables. The screened design allows nutrient solution to flow freely during flooding while preventing growing media from the table—especially when using LECA/grow rocks—from getting into the pump and reservoir during draining.
Flood/Drain (Ebb/Flow) fittings also known as Thru Hulls or Tub Outlets.
