T5, 5", Rapid Set Pop Up Rotor, With An Extra Inch Pop-Up Verse Competitive Rotors, Patented Rapid Set Feature Allowing You To Make Quick & Easy Arc Adjustments Without Any Tools, Protects Against Gear Damage From Vandalism & Abuse, Comes With A Full Set Of 8 Standard Nozzles & 4 Low Angle Nozzles, Pre-Installed With A 3.0 GPM Nozzle & Can Cover Distance From 25' To 50', Inlet Size Is 3/4" Female Threaded.