A must have blower add on, makes the for blower more efficient. Great for sweeping dust light snow twigs and cleaning grass wet leaves clipping off the yard,driveway,walkway,sidewalks,decks,lawns,patio furniture without raking. #197889-6 flat end nozzle: replaces for blower # 197889-6, compatible with for 18V X2 36V hand held blower, Fits for XBU02Z and XBU03. It cannot be assembled for use with a blower that have no 191L13-5 191B21-6 adapter pipe. #191B21-6 191L13-5 adapter pipe: replaces for blower # 191B21-6 191L13-5, the extension tube allows use of extension (197888-8) or 197889-6 flat nozzle on model XBU03.For use with for Brushless Cordless Blower. Essential adapter to extend or connect flat nozzle on the XBU03 for blower. Functions: The flat end nozzle helps to clean more quickly because the nozzle is closer to the ground more focused air flow to the ground and area of coverage & more powerful .The extension tube concentrates & the airflow, enhancing the blower's overall