Stratus BLACK Plastic Filtered Air Return. Fits in a standard ceiling grid system. Available with 6", 8", 10", 12" or 14" Collar/Neck or a 20"x20" square opening. Actual OD=23-3/4" x 23-3/4" Filter not included.
STOP! Please make sure your collar/neck size is correct for all pieces in your order. Please remember, for 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.
A 20% restocking fee for all returned diffusers and air returns will be ducted from your refund.