24" x 48" x 4"Starting at $80Wall Mounted Absorption Coefficients:125 Hz: 0.85 250 Hz: 1.19 500 Hz: 1.13 1, 000 Hz: 1.03 2, 000 Hz: 1.03 4, 000 Hz: 1.02 8, 000 Hz: 0.99 10, 000 Hz: 1.03NRC: 1.10 5" Gap from WallCeiling Absorption Coefficients:125 Hz: 0.83 250 Hz: 1.48 500 Hz: 1.45 1, 000 Hz: 1.28 2, 000 Hz: 1.21 4, 000 Hz: 1.18 8, 000 Hz: 1.17 10, 000 Hz: 1.16NRC: 1.35 Corner Mounted Absorption Coefficients:50 Hz: 0.58 80 Hz:1.69 100 Hz:2.58 125 Hz: 0.83 250 Hz: 1.99 500 Hz: 1.95 1, 000 Hz: 1.53 2, 000 Hz: 1.39 4, 000 Hz: 1.31 8, 000 Hz: 1.26 10, 000 Hz: 1.40 Guilford of Maine and Linen Fabric Upgrades Available. Choose from over 30 color options! Call for pricing. Sh