Use the 1/4 inch T-Short Plunge Drippers with the Drip Shield. Connect multiple plants on one line or be creative by utilizing the double barbed feature of the T. Deliver water and nutrients straight to the root zone of your plants with the subsurface design, which allows the drops to fall 3/4 inch below the surface and dispense out of the three slots at its bottom. 1/4 inch barbed nozzle. Self-Cleaning, pressure compensating torturous path. Color coded for easy recognition. Reusable and made from BPA and lead-free plastic. 2 - 4 GPH/10 - 50 PSI.