Machines in the following serial number range are affected: 369259472 up to and including 370391433. If you have purchased a mistblower SR 430, SR 440 or SR 450 in the year 2020 or 2021 and it is in the given serial number range, please discontinue using the machine immediately. Please contact your local STIHL dealer for a flywheel replacement. Vedant Techno Vision - Offering STIHL SR 450 Mist & Dusting Blower, Mist Blower Sprayer, Backpack Mist Blower, Knapsack Mist Blower, Mist Blower Machine, Mist dust blower, Mist Blowers in Panvel, Navi Mumbai, Maharashtra. Read about company. Get contact details and address| ID: 20511651273.