1. It rotates 360 degrees for a more even flow of water in the pool. This removable ring allows you to position the jets to efficiently flow water back into the pool.2.These water flow direction inlet fittings are adjustable to direct the water flow to most areas of the pool, providing the proper circulation pattern and also controlling the flow rate and flow.3. The pool return nozzle can withstand the pressure of everyday use. It is made of durable ABS plastic, these directional flow inlet fittings are made of plastic material that is safe, non-toxic, durable and corrosion resistant.4.Open directional flow inlet fittings are a good alternative to swimming pool spouts.Suitable for most swimming pools, spas, common bathtubs, etc.5.Swimming pool return nozzle, this replacement pool return nozzle allows clean water from the filtration system to re-enter the pool.Proper placement and use of these nozzles will ensure that your pool is properly circulated.