BUILDMART - 16x6 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: 265 ft3 min Effective Velocity: 9. 8 ft s Neck: 15 3 4" x 5 15 16" Face: 17 3 4" x 7 7 8" This is a Non Filter

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

ASIN: B091RMSB1G

Neck: 70 13/16" x 4 3/4" - Face: 72 5/16" x 6 1/8"

Mouth Dimensions: L: 35 9/16" W: 1 3/4"

12" 2 Slot White Double Linear Diffuser

CFM: 318 ft3/min - Effective Velocity: 9

CFM: 301 ft3/min - Effective Velocity: 9

CFM: 305 ft3/min - Effective Velocity: 9

18 x 8 18x8 8x18 8 x 18

Neck: 27 5/8" x 3 15/16" - Face: 29 1/2" x 5 15/16"

Neck: 11 13/16" x 4 11/16" - Face: 13 1/4" x 6 1/8"

CFM: 542 ft3/min - Effective Velocity 9