BUILDMART - 18" MUD-IN Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall Mud In White Air Vent - Mud Linear Slot Diffuser - Register Grille for Ceiling and Walls - Texas BuildmartOur 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: 246 ft3 min Effective Velocity 9. 8 ft s Neck: 17 13 16" x 4 11 16" Face: 19 1 4" x 6 1 8" 3 Slot Triple Slot 3 4" Slot

ASIN: B09JBNKZM2

ASIN: B07N4GGDZ4

ASIN: B09GPTB6RR

CFM: 285 ft3/min - Effective Velocity: 9

Neck: 21 11/16" x 9 13/16" - Face: 23 3/4" x 11 3/4"

Solid extruded aluminum profile with welding - Electrostatic Paint which makes it easy to clean because of it's dust-resistance

ASIN: B09WV1RCWP

Neck: 29 1/2" x 19 1/2" - Face: 31 1/2" x 21 1/2"

ASIN: B09GJ46L13

Neck: 13 3/4" x 5 15/16"" - Face: 15 9/16" x 7 5/8"

36 x 16 36x16 16x36 16 x 30

51/ISO 3741 Standard by AIRFLOW SCIENCES CORPORATION - Submittals Available Upon Email Request