BUILDMART - 24x4 Black Modern AC Vent Cover - Decorative Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & FloorsThe Performance of This Buildmart Diffuser Was Verified Through Testing According to ASHRAE 70 and ANSI S12. 51 ISO 3741 Standard by AIRFLOW SCIENCES CORPORATION Submittals Available Upon Email Request Designed and Engineered to the Highest HVAC Industry Standards Commercial Grade Solid Aluminum with Modern Architectural Design This Model can be used in Ceilings, Walls, and Floors This Model can be used as a Supply Vent Cover and Return Vent Cover

You can use this as a floor vent cover

CFM: 243 ft3/min - Effective Velocity: 9

Our Linear Slot Diffusers have ASHRAE 70 and ANSI S12

Neck: 35 1/2" x 5 15/16" - Face: 37 3/8" x 7 7/8"

Neck: 35 3/8" x 13 1/4" - Face: 37 3/8" x 15 5/8"

ASIN: B06XQ9MLTW

We make all sizes from 6x4 to 30x24 Standard Sized Modern AC Vent Covers for the Modern Day Home

Neck: 9 7/8" x 5 15/16" - Face: 11 11/16" x 7 5/8"

18'' X 4 3/4" Linear Slot Plenum Box - For Triple Slot (3 Slot) Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

ASIN: B091QDDZFP

ASIN: B085WJK7BZ

ASIN: B085WJD5NX