New 12 Port Drip Irrigation Manifold - 1/2" FPTConverts a 1/2" MPT end to a 12 outlet drip irrigation manifold - ideal for sprinkler riser conversions. Optimum operating pressure is 20-60 PSI.Features:Each barbed outlet is compatible with 1/4" polyethylene tubing.Built-in mesh filter ensures uninterrupted water flow by preventing potential clogs.1/2" FPT inlet connection for simple sprinkler riser conversions.4 flow options included for tailored watering needs. 2 GPH (yellow)6 GPH (black)10 GPH (red)20 GPH (blue)Please note: Thread seal tape is recommended for threaded PVC ends Open Flow Bubbler is an 8 outlet manifold that delivers water and nutrients to your plants at the pressure of your choice. This manifold easily connects to your valve with the Quick Disconnect tool. The Open Flow Bubbler has no pressure regulation and is completely gutted inside to allow maximum pressure while still evenly distributing water. 1/2 inch inlet which seamlessly screws into our Quick Disconnect without threading. 8 barbed ports that connect to 1/4 inch OD Tubing. Rubber grip on top for easy use. Made from ABS plastic.