Efficient, economical, easy to use. The ideal choice for durability, performance and economy on medium to large area sites, no other rotor brings it all together like the Hunter I-25 Ultra. A ribbed body and cap for better grip. An extra-thick heavy-duty rubber cover. The industry's smallest exposed surface area in its category. 12 nozzles that provide optimum performance in both primary and secondary coverage. The patented VStat self-adjusting stator and an optional stainless steel riser makes the I-25 Ultra the pick for many jobs.