BR 420 Popular choice of the landscaping industry. Powerful, yet comfortable to use all day long. With IntelliCarb compensating carburetor and a catalytic converter for reduced emissions. $419.95   BR 550 New low sound blower - only 65 db(A) - powered by the patented STIHL 4-Mix engine. Built with more power and greater fuel efficiency so that you can work faster and longer. $399.95     BR 600 Our top performing professional backpack blower. The BR 600 not only feature the patanted STIHL 4-Mix engine, but is packed with comfort features like a simplified starting procedure, reduced vibration levels and a newly designed dual adjustable shoulder strap. $479.95