(QFM) WALL NOISE BARRIERS (QFM) WALL NOISE ABSORBERS Product No.   HSC124-8 Description   Double faced material in nominal2" thickness, for use as absorber, or combination barrier/absorber. (HSC-122 bound back-to-back) Size W x H   4 x 8' Wt. (lbs.)   16 Price Ea.   $169.91 Quantity: