An agricultural baler includes a chassis, a knotter arrangement and a blower arrangement. The knotter arrangement is carried by the chassis, and includes a plurality of knotter assemblies positioned across the working width. The blower arrangement includes a housing and a plurality of centrifugal fans positioned within the housing. Each fan is associated with a different subset of the plurality of knotter assemblies. The housing is configured to concurrently direct a first portion of a flow from the plurality of fans toward the knotter assemblies, and a second portion of the flow from the plurality of fans toward a different part of the chassis.
