Various embodiments of a filter are described herein. In one embodiment, a filter includes a first side and a second side both of which have openings therein. A plurality of baffle members are positioned between the first side and the second side. The plurality of baffle members may be provided as separate pieces or as part of a baffle element. The filter may be used to remove grease from cooking exhaust in residential or commercial kitchen environments. In another embodiment, the filter includes a first side which has a plurality of entry openings in it and a plurality of baffle members which define a plurality of exit openings where air exits the filter.