VALVULA RESPIRACION STIHL 020, 021, 023, 024, 025, 026, 028, 029, 034, 036, 038, 039, 044, 046, 048, 050, 051, 056, 064, 066, 076, MS171, MS181, MS192, MS200, MS210, MS211, MS230, MS231, MS240, MS241, MS250, MS251, MS260, MS261, MS270, MS271, MS280, MS290