Donaldson mufflers receive California ARB verification

Jun 18, 2009

Donaldson’s SEF and LNF muffler systems received Level 3 plus verification by the California Air Resources Board in April. The Semi-Active Electric Filter (SEF) muffler system was verified for select 1991 through 2006 model diesel engines. The Low NO2 Filter (LNF) muffler system was verified for select 1993 through 2003 model diesel engines.

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