BUILDMART - 14x8 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: 255 ft3 min Effective Velocity: 9. 8 ft s Neck: 13 7 8" x 7 11 16" Face: 15 3 4" x 9 5 8" This is a Non Filter

CFM: 272 ft3/min - Effective Velocity: 9

You can use this as a floor vent cover

Neck: 35 3/8" x 13 1/4" - Face: 37 3/8" x 15 5/8"

24 x 4 4x24 24x4 24 x 4

ASIN: B09GPWQD1G

26 x 8 26x8 8x26 8 x 26

ASIN: B091RN1BSC

ASIN: B091QDDZFP

Neck: 23 5/8" x 3 1/2" - Face: 25 13/16" x 5 11/16"

Total Box Dimensions: L: 13 3/16" W: 2 7/8" H: 11 7/8"

20 x 10 20x10 10x20 10 x 20

51 Engineering Certifications