Toro T5 Rapid Set Rotor with 5" Pop-Up, 2.5 Gallon Nozzle and Check Valve Toro T5 Rapid Set Rotor, 5" Pop-Up, 2.5 Gallon Nozzle, w/Check Valve The new Toro T5 rapid set 5 inch pop-up with Check valve and 2.5 gallon nozzle series rotor has the features to satisfy all your basic irrigation needs The T5 offers an extra inch of pop-up height compared to most competitive units