Our CCVD steel constant volume diffusers are available in an extensive range to meet most requirements. The diffusers are easy to install and with the aesthetically pleasing design and efficient radial air distribution, are ideal for all environments. The units are manufactured from steel and are powder coated to ensure a finish of the highest quality. A locking bracket is available as an optional extra to lock the radial disc. The diffusers are available in neck sizes ranging from 150 mm to 350 mm in diameter and are compatible with flexible ducting and flexible sound attenuators.