FloraFlex Open Flow Bubbler Planting & WateringDescription OPEN MULTI FLOW BUBBLER 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. Available with or without Flow Inserts. The Open Flow Bubbler has no pressure regulation. Open Flow Completely gutted inside to allow maximum pressure while still evenly distributing water 1 2'' inlet which seamlessly screws into the Quick