When it comes to filter performance of a nozzle underdrain system, it is vital that the nozzles being used are properly designed to meet your filter specifications. With multiple design options such as material, mounting style, flow rate capacity and tailpipes for air scour, we are sure that Orthos Liquid Systems has the filter nozzles that will meet your requirements.  We are capable of replacing any OEM design on the market by supplying a direct replacement, or if required, redesigning the nozzle to ensure optimum filter performance.