Solid wood construction! 60cm x 60cm at base (23.6 inches). Height varies by model. See images for dimensional details. Z clip mounting hardware is
Sound Absorbers for Industrial Noise Control - Kinetics Noise
Acoustic Treatment
UAacoustics - Quality, yet Affordable Acoustic Panels and Bass
Professional Triangular 3d Qrd Pine Wood Sound Acoustic Diffuser
Bass Traps Diffusers for absorbing and diffusing low frequency
Solid wood acoustic diffuser - WOODGLEAM® - Jocavi - Acoustic
Arrowzoom™ Acoustic Sound Diffuser - Quadratic - KK1098
Acoustic Materials - Tiange Acoustics
Wood Acoustic Diffusion Panel - Wooden Sound Panels For Echo
Grey Fabric Rectangle 24 in. x 48 in. Sound Absorbing Acoustic
DIY Acoustic Panel Guide: How To Make Your Own Acoustic Panels
Acoustic panels. Sound absorber, diffuser, basstrap in custom size
Acoustics 2 X 12 X 12 Acoustic Foam Panels, Pyramid Recording
Arrowzoom™ Pro Acoustic Sound Diffuser - 3D Triangular - KK1203