Auralex T'Fusor - 3D Sound Diffusor Panel (Sports Car Red)T'Fusor Diffusors are made from a lightweight and sturdy thermoplastic material that are perfect for eliminating slap back and flutter echo, without removing sound energy from the room. The T'Fusor can drop easily into ceiling grids and is wall mountable with Tubetak Pro, EZ Stick Pro Tabs, or mechanical fasteners. The T'Fusor is able to impart a sense of controlled spaciousness, and work best when mounted with a varying alignment of the "T" pattern.