Prier 123 0092 500 Series 10 in. Mansfield Style Replacement Stem for 6 in. Hydrants 578 06 579 06 Brand_Febco Each cylindrical drip emitter’s floating Each cylindrical drip emitter’s floating diaphragm regulates and maintains a consistent flow rate at variable inlet pressures ranging from 12 to 50 PSI in a wide range of demanding conditions with this powerful tool you can just keep going and going cutting through hard wood while being sure that you will not pay a price from aches and pains once you stop but the parts are not all interchangeable Will work for the model 578 06 and 579 06 full turn “old style” Mansfield hydrants (6 in