BUILDMART - 30x6 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: 318 ft3 min Effective Velocity: 9. 8 ft s Neck: 29 9 16" x 5 3 4" Face: 31 11 16" x 7 15 16" This is a Non Filter

Neck: 23 5/8" x 3 15/16" - Face: 25 1/2" x 5 7/8"

CFM 193 ft3/min - Effective Velocity 9

Neck: 9 13/16" x 3 7/8" - Face: 11 3/4" x 5 11/16"

2 Slot - Double Slot - 3/4" Slot Width

ASIN: B09JB9552Y

Neck: 35 1/2" x 17 9/16" - Face: 37 1/2" x 19 9/16"

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

Entry size: 2 entries of 8" flex in oval shape

Ideal for Texas Buildmart 48" Lineal Slot Diffuser - 3 Slot

and sanded

Neck: 21 9/16" x 7 13/16" - Face: 23 11/16" x 9 13/16"

Total Box Dimensions: L: 13 3/16" W: 2 7/8" H: 11 7/8"