Hunter MP Rotators are available in two precipitation rates. MP Rotators at 10.16 mm per hour and MP Rotator SR at 20.3 mm per hour. A zone should have matched precipitation and you should not mix the two nozzle types on the same zone.
MP Rotator nozzles line go a distance of 2.4m to 10.7m
MP Rotator SR nozzle line go a distance of 1.8m to 3.6m