AcoustiML OEM 2-layer Soundproofing Material - 4mm

This product is one sheet of AcoustiPack ML (multi-layer) 2-layer 4mm soundproofing material, dimensions 431 x 457mm (17 x 18). AcoustiPack Ultimate contains two of these sheets plus a sheet of APML-3L7 (3-layer, 7mm).