Koch OdorKleen Carbon Filters | ES, 250, 600, 200/M13

The Koch OdorKleen family: pleated carbon panel filters in 1″/2″/4″ depths for HVAC drop-in carbon filtration. Four products span the efficiency and capacity range: OdorKleen ES (MERV 8 basic carbon impregnation), OdorKleen 250 (MERV 8 with patented CarbonWeb high carbon load), OdorKleen 600 (MERV 10 with KMnO₄ alumina for ammonia/formaldehyde/SO₂/H₂S), and OdorKleen 200/M13 (MERV 13 high-particulate + carbon).