BUILDMART - 20x8 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: 301 ft3 min Effective Velocity: 9. 8 ft s Neck: 19 3 4" x 7 7 8" Face: 21 5 8" x 9 13 16" This is a Non Filter

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

ASIN: B09GJDJ2QN

16 x 10 16x10 10x16 10 x 16

Neck: 35 1/2" x 5 15/16" - Face: 37 3/8" x 7 7/8"

18 x 10 18x10 10x18 10 x 18

CFM: 162 ft3/min - Effective Velocity: 9

*This is a Design and Utility Patent Pending Product*

Total Box Dimensions: L: 60 1/2" W: 6 3/16" H: 12 1/16"

25 x 24 25x24 24x25 24 x 25

Mouth Dimensions: L: 71" W: 1 7/8"

18 x 8 18x8 8x18 8 x 18

51 Engineering Certifications