BUILDMART - 18x12 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

30 x 4 30x4 4x30 4 x 30

72" X 3 1/2" Linear Slot Plenum Box - For Double Slot (2 Slot) Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

ASIN: B06XQ9MLTW

CFM: 104 ft3/min - Effective Velocity: 9

Total Box Dimensions: L: 19 1/16" W: 3" H: 11 15/16"

CFM: 360 ft3/min - Effective Velocity: 9

Neck: 23 5/8" x 7 7/8" - Face: 25 5/8" x 9 13/16"

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

CFM 196 ft3/min - Effective Velocity 9

ASIN: B091QDDZFP

36" Linear Slot Diffuser - 1 Slot - Single Slot Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

Neck: 23 5/8" x 17 5/8" - Face: 25 9/16" x 19 9/16"