BUILDMART - 20x16 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

ASIN: B09JB4CC5M

Connects to: 9" flexible duct in oval shape

CFM: 538 ft3/min - Effective Velocity: 9

ASIN: B09JB9552Y

Neck: 19 5/8" x 9 13/16" - Face: 21 5/8" x 11 3/4"

Neck: 11 7/8" x 1 5/8" - Face: 13 1/4" x 3 1/16"

Neck: 29 9/16" x 11 3/4" - Face: 31 1/2" x 13 3/4"

ideal for Texas Buildmart 18" lineal slot diffuser

Total Box Dimensions: L: 72 5/16" W: 4 11/16" H: 12"

ASIN: B09GJMZ5P8

CFM 542 ft3/min - Effective Velocity 9

ASIN: B09GHTPLJT