BUILDMART - 26x8 White 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

Ideal for Texas Buildmart 18" Lineal Slot Diffuser - 2 Slot

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

CFM:  ft3/min - Effective Velocity 9

ASIN: B07N4H5NVZ

ASIN: B09WTKKLDX

20 x 12 20x12 12x20 12 x 20

26 x 8 26x8 8x26 8 x 26

30 x 14 30x14 14x30 14 x 30

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

Neck: 19 3/4" x 3 15/16" - Face: 21 5/8" x 5 15/16"

12 x 6 12x6 6x12 6 x 12

CFM: 255 ft3/min - Effective Velocity: 9