The RFN Series Foam Nozzle produces a highly aerated column of water. This nozzle is constructed of bronze and brass with integral swivel, stainless steel fasteners, adjustable to 15 deg. off vertical in a 360 deg. cone, with adjustable air mixture sleeve and a (F) N.P.T. connection. Please refer to the cut sheet for hydraulic data on optimum performance. The RFN is available in seven (7) sizes ranging from 34 to 4. (3 and 4 nozzles are special order items and require a longer lead time).