Promist Dura w/ Smart Flow II, ULV Fogger Sprayer, this quiet, versatile electric ULV sprayer has been redesigned.With a new modular system the Promist Dura is easily configured to your preferences. Features such as quick-connect ports, LED lighted spray ring,choice of formulation tanks and even solar battery charger, make this the most-user and earth-friendly ULV applicator available.