BUILDMART - 28x4 MUD-IN Air Vent Cover - Drywall Mud-in White Air Vent - Mud Linear Slot Diffuser - Register Grille for Ceiling and Walls - Texas BuildmartOur Standard Linear Slot Diffusers have ASHRAE 70 and ANSI S12. 51 Engineering Certifications Designed and Engineered to the Highest HVAC Industry Standards Commercial Grade Solid Aluminum with Modern Architectural Design This Model can be used in Ceilings and Walls This Model can be used as a Supply Vent Cover and Return Vent Cover CFM: 283 ft3 min Effective Velocity: 9. 8 ft s Neck: 27 5 8" x 3 15 16" Face: 29 1 2" x 5 15 16" *This is a Design and

Update your Ceilings

Neck: 24 5/8" x 5 15/16" - Face: 26 5/8" x 7 7/8"

ASIN: B09JBGJP3W

ASIN: B08F9FCKN3

ASIN: B091S1J3JF

ASIN: B09WR3WWD1

clean lines and architecturally appealing

CFM 93 ft3/min - Effective Velocity 9

12" 2 Slot White Double Linear Diffuser

CFM 151 ft3/min - Effective Velocity 9

This vent can be used as a return air vent cover as well

CFM 542 ft3/min - Effective Velocity 9