BUILDMART - 36x16 MUD-IN Air Vent Cover - Drywall Mud-in White Air Vent - Mud Linear Slot Diffuser - Register Grille for Ceiling and Walls - Texas BuildmartOur Standard Linear Slot Diffusers have ASHRAE 70 and ANSI S12. 51 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 and Walls This Model can be used as a Supply Vent Cover and Return Vent Cover CFM: 680 ft3 min Effective Velocity: 9. 8 ft s Neck: 35 3 8" x 15 9 16" Face: 37 3 8" x 17 5 8" This is a Non Filter

72" Linear Slot Diffuser - 2 Slot - Double Slot Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

Our Linear Slot Diffusers have ASHRAE 70 and ANSI S12

20 x 16 20x16 16x20 16 x 20

CFM: 270 ft3/min - Effective Velocity: 9

ASIN: B08MZB3LLS

Neck: 5 7/8" x 5 15/16" - Face: 7 7/8" x 7 3/4"This is a Non-Filter Model

Neck: 47 1/4" x 1 5/8" - Face: 48 3/4" x 3 1/16"

10 x 10 10x10 10x10 10 x 10

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

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

ASIN: B09WR5WPK9

CFM: 233 ft3/min - Effective Velocity: 9