Keystone Hexagon Acoustic Absorption Panel 20-pack(Silver Grey)
Visually appealing Studiofoam panels.
Works most effectively on mid- and high-frequency sound waves.
Bevelled edges contribute to a more sophisticated appearance.
Free of formaldehyde and toluene.
Placing the panels on the walls or ceilings can help reduce the amount of reverberation in a room.
12 colors you can choice.