24" x 24" Steel T-Bar Drop Ceiling, 2x2 Lay in Air Supply Diffuser with Round 8" Neck Size - 3 Cone - White - Outer Dimension: 23-3/4" x 23-3/4" 8" Neck Size 3 Cone
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24" x 24" Steel T-Bar Drop Ceiling, 2x2 Lay in Air Supply Diffuser with Round 8" Neck Size - 3 Cone - White - Outer Dimension: 23-3/4" x 23-3/4" 8" Neck Size 3 Cone