BUILDMART - 16x12 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: 314 ft3 min Effective Velocity: 9. 8 ft s Neck: 15 3 4" x 11 3 4" Face: 17 3 4" x 13 3 4" This is a Non Filter

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

36 x 10 36x10 10x36 10 x 36

Entry size: 9" flex in oval shape

Walls & Floors - Commercial Grade HVAC Registers

CFM: 319 ft3/min - Effective Velocity: 9

30 x 24 30x24 24x30 24 x 30

ASIN: B09GJVYQF9

ASIN: B09GJ46L13

ASIN: B09GHZHGYW

Neck: 29 5/8" x 13 11/16" - Face: 31 1/2" x 15 11/16"

Ideal for Texas Buildmart 12" Lineal Slot Diffuser - 1 Slot

you can use a reducer to modify the size