BUILDMART - 20x10 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: 315 ft3 min Effective Velocity: 9. 8 ft s Neck: 19 5 8" x 9 13 16" Face: 21 5 8" x 11 3 4" This is a Non Filter

CFM: 196 ft3/min - Effective Velocity 9

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

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

Texas Buildmart offers Modern AC Vent Covers also known as High Quality Standard Linear Slot Diffusers

ASIN: B09WR3WWD1

Neck: 23 9/16" x 11 3/4" - Face: 25 9/16" x 13 3/4"

ASIN: B09WTH3KK4

CFM: 264 ft3/min - Effective Velocity: 9

ASIN: B081ZLDR7D

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

This Model can be used as a Supply Vent Cover and Return Vent Cover

CFM 174 ft3/min - Effective Velocity 9