BUILDMART - 12x6 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: 233 ft3 min Effective Velocity: 9. 8 ft s Neck: 11 7 8" x 5 3 4" Face: 13 3 4" x 7 5 8" This is a Non Filter Model

Ideal for Texas Buildmart 72" Lineal Slot Diffuser - 2 Slot

30 x 16 30x16 16x30 16 x 30

ASIN: B09WTWX3GH

Neck: 11 7/8" x 5 3/4" - Face: 13 3/4" x 7 5/8"

Entry size: 2 entries of 10" flex in oval shape

We make all sizes from 6x4 to 30x24 Modern Mud Air Vent Covers for the Modern Day Home

ASIN: B085VTND1G

Total Box Dimensions: L: 19 1/8" W: 4 9/16" H: 11 7/8"

CFM: 254 ft3/min - Effective Velocity: 9

20 x 10 20x10 10x20 10 x 20

Neck: 21 9/16" x 7 13/16"- Face: 23 11/16" x 9 13/16"

CFM: 242 ft3/min - Effective Velocity: 9