Imperial DR-06 Premium Round Air Diffuser with Collar, Steel, White

Overlapping rings stepped down for efficient, draft-free diffusion. Outer ring design resists ceiling smudging. Made of white polypropylene and supplied with an adaptor. Two flow settings for easy control of air intake or output from 0 to 100% for outstanding efficiency. Can be connected to a flexible or rigid duct. Features: - Fully adjustable air flow - Can be used as a supply or exhaust air diffuser - Available in 4 in, 5 in, 6 in and 8 in