![Hart & Cooley 16 Series - 10" Round Ceiling Diffuser (# 1610) - Round Ceiling Air Diffuser - Amazon.com Hart & Cooley 16 Series - 10" Round Ceiling Diffuser (# 1610) - Round Ceiling Air Diffuser - Amazon.com](https://m.media-amazon.com/images/I/61ZXUCEVnSL._AC_UF894,1000_QL80_.jpg)
Hart & Cooley 16 Series - 10" Round Ceiling Diffuser (# 1610) - Round Ceiling Air Diffuser - Amazon.com
![vent - What are some alternatives to a square ceiling air diffuser? - Home Improvement Stack Exchange vent - What are some alternatives to a square ceiling air diffuser? - Home Improvement Stack Exchange](https://i.stack.imgur.com/ivCKk.jpg)
vent - What are some alternatives to a square ceiling air diffuser? - Home Improvement Stack Exchange
![HVAC System 4 Way Square Diffuser Ceiling Air Diffuser - China Air Diffuser, HVAC Air Diffuser | Made-in-China.com HVAC System 4 Way Square Diffuser Ceiling Air Diffuser - China Air Diffuser, HVAC Air Diffuser | Made-in-China.com](https://image.made-in-china.com/202f0j00YWrRnUklvicf/HVAC-System-4-Way-Square-Diffuser-Ceiling-Air-Diffuser.jpg)
HVAC System 4 Way Square Diffuser Ceiling Air Diffuser - China Air Diffuser, HVAC Air Diffuser | Made-in-China.com
![Amazon.com: 10 x 10 (in) HVAC Vent Cover - 4 WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades [Outer Dimensions: 12" Width, 12" Height] : Appliances Amazon.com: 10 x 10 (in) HVAC Vent Cover - 4 WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades [Outer Dimensions: 12" Width, 12" Height] : Appliances](https://m.media-amazon.com/images/I/814HXIuN7ZL.jpg)