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Ventilators > Louvered Penthouses


4" Deep, Drainable, Extruded Aluminum

PFL-D-4 Product Image

The Model PFL-D-4 is a 4" deep drainable extruded aluminum louvered penthouse. When AMCA certified the louvers in this penthouse allowed less than .01 oz/sq.ft. at 1250 fpm (test limit) and still had a free area above 50%.