BUILDMART - 30x18 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: B09JBNKZM2

CFM: 509 ft3/min - Effective Velocity 9

20 x 8 20x8 8x20 8 x 20

Connects to: 9" flexible duct in oval shape

ASIN: B09WTH3KK4

Ideal for Texas Buildmart 48" Lineal Slot Diffuser - 2 Slot

Mouth Dimensions: L: 17 7/8" W: 4 3/4"

Total Box Dimensions: L: 72 3/8" W: 3 1/8" H: 12"

60" X 1 3/4" Linear Slot Plenum Box - For Single Slot (1 Slot) Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

ASIN: B07NF8LBBM

CFM: 445 ft3/min - Effective Velocity: 9

CFM 542 ft3/min - Effective Velocity 9