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Use the Fill/drain fitting to connect your pump to the bottom of a tray. When the pump turns on, the tray fills. When the pump shuts off gravity forces the water down and backwards through the pump. A must for Ebb and Flow systems.
Requires 1 inch hole.
Fits 1/2" tubing.
How to build a typical ebb and flow tray system.
Item Number: 137302
Universal Product Code: 849969004816
Manufacturer: American Hydroponics
Manufacturer's Part Number: 25006