BUILDMART - 18" White Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Aluminum Air Vent - Heating and Cooling Modern AC Vent Cover for Ceiling, Walls & FloorsOur Linear Slot Diffusers have ANSI S12. 51 and ASHRAE 70 Engineering Certifications 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 CFM 129 ft3 min Effective Velocity 9. 8 ft s Neck: 17 3 4" x 1 5 8" Face: 19 1 8" x 3 1 16" 1 Slot Single Slot 3 4" Slot

ASIN: B09GPV7Y4J

CFM: 680 ft3/min - Effective Velocity: 9

16 x 8 16x8 8x16 8 x 16

Total Box Dimensions: L: 60 1/2" W: 4 9/16" H: 11 7/8"

ideal for Texas Buildmart 12" lineal slot diffuser

Neck: 19 5/8" x 13 5/8" - Face: 21 5/8" x 15 5/8"

ASIN: B09K5YD9GF

Neck: 70 7/8" x 3 1/8" - Face: 72 1/4" x 4 5/8"

Neck: 19 5/8" x 15 5/8" - Face: 21 5/8" x 17 5/8"

CFM 174 ft3/min - Effective Velocity 9

please make sure the air vent cover is placed in the full open position or remove the directional dampers

24 x 4 24x4 4x24 4 x 24