BUILDMART - 36x10 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: 449 ft3 min Effective Velocity: 9. 8 ft s Neck: 35 3 8" x 9 13 16" Face: 37 3 8" x 11 3 4" This is a Non Filter

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

Neck: 19 5/8" x 19 1/2" - Face: 21 5/8" x 21 1/2"

CFM 193 ft3/min - Effective Velocity 9

ASIN: B07N4GGDZ4

Grilles & Vents - Home Decor & Wall Decor for Amazon Home

ASIN: B09GPWMPWY

6 x 6 6x6 6x6 6 x 6

Mouth Dimensions: L: 59 3/8" W: 3 5/16"

CFM: 180 ft3/min - Effective Velocity: 9

72" Linear Slot Diffuser - 3 Slot - Triple Slot Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

Mouth Dimensions: L: 18" W: 1 11/16"

This vent can be used as a return air vent cover as well