Stratus Black Plastic PLAQUE 2'x2' Air Diffuser w/06", 08", 10", 12" or 14" Necks (#4990BK-PQ-).
4-way air distribution. OD: 23.75" x 23.75". Will fit in a standard ceiling grid system.
STOP! Please make sure your collar/neck size is correct for all pieces in your order. Please remember, as an example, just because the collar size for one diffuser is an 8" diameter, it doesn't mean all diffusers in your building have the same collar diameter. Item 4945BK- Black Plastic Air Diffuser for ceiling grid systems. 3-Tier Air Diffuser Assembly. 4-Way air distribution. Also available in White ABS Plastic.