HIFROM(TM) Replace Air Filter (with detailed size) Fit for Stihl BR500 BR550 BR600 4282-141-0300 4282 141 0300 4282 141 0300B Backpack Blowers Parts HIFROM New high quality replacement air filter from Professional BIG Factory; Professional technical support; if you unsatisfy, can return no risk (with details size in pictures) Fit for BR500/BR550/BR600 backpack blowers Replacement : 4282-141-0300/ 4282 141 0300/ 4282 141 0300B Material: PU This is the Non original aftermarket part, please check pictures and size before buy it.