| CPC A47F 3/0426 (2013.01) [F25D 23/065 (2013.01); F25D 23/085 (2013.01); F25D 2400/06 (2013.01)] | 22 Claims |

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1. A bracket for attaching a mullion to a frame, comprising:
a barrier portion comprising a first side and a second side, opposite the first side;
a mullion-engaging portion extending from the first side, the mullion-engaging portion configured to couple with the mullion, the mullion-engaging portion comprising:
a rim;
a plurality of bosses coupled to the rim, each boss of the plurality of bosses configured to couple to one of a plurality of fasteners to couple the mullion-engaging portion to the frame; and
a web extending between the plurality of bosses and the rim; and
a frame-engaging portion extending from the second side, the frame-engaging portion configured to couple with the frame,
wherein the barrier portion is configured to inhibit air flow between an interior space of the mullion and space outside the mullion.
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