NEW! Botanicare's ebb and flow fitting kit for use when converting a tray into a flood and drain hydroponics system. Includes 2 PPI outlet screen, 3 PPI extension, 1 1/2" fitting (13mm), 1 3/4" fitting (19mm). These new fittings come threaded and accept standard 3/4" pipe thread for increased versatility - ideal for use in Drip and Aeroponic applications!