Venti Air 24 in. x 24 in. Square T-Bar 3 Cone Step Down Drop Ceiling 4-Way Diffuser with 12 in. Neck/Collar

T-Bar diffuser with 3 cones is designed to be highly functional and aesthetically elegant air supply diffuser for commercial or large areas. It comes with 12 round and 2-1/8 in. H collar that makes is easy to install. It can also take 12 butterfly damper as an added option for better control of air flow (available separately). The diffuser is colored white and can coordinate with most backgrounds. If needed, they are easy to paint over.