BUILDMART - 18" MUD-IN Linear Slot Diffuser - 2 Slot - Air Vent Cover - Drywall Mud In White Air Vent - Mud Linear Slot Diffuser - Register Grille for Ceiling and Walls - Texas BuildmartOur 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 174 ft3 min Effective Velocity 9. 8 ft s Neck: 17 3 4" x 3 1 8" Face: 19 1 8" x 4 5 8" 2 Slot Double Slot 3 4" Slot Width 180

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

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

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

CFM: 162 ft3/min - Effective Velocity: 9

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

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

Ideal for Texas Buildmart 60" Lineal Slot Diffuser - 3 Slot

ASIN: B091SH7NYS

ASIN: B09WR67VDB

This register is not only a vent cover

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

12 x 8 12x8 8x12 8 x 12