TUB OUTLETS..The smaller (inlet) fitting is used to pump nutrient into the tray (flooding)
While the larger (outlet) fitting with the extension sits higher in the tray. Once the nutrient level in the tray reaches the height of the outlet screen, the excess nutrient can drain back to a reservoir.
The extension can be adjusted for more height, and extra extensions can be added for a deeper tray.
EXTENSION.. The Tub Outlet Extension is a handy addition when using the Tub Outlet in the bottom of a reservoir. By pressing the extension into the outlet, and then pressing on the Screen, you can adjust the level the reservoir can drain down to. You can add as many extensions as you want.
OUTLET SCREEN..The Tub Outlet Screen presses into the Tub Outlet or Tub Outlet Extension. To help prevent large particles passing through the outlet and into the tubing.
