BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and CoolingGalvanized sheet metal Plenum Box with foam insulation, ideal for Texas Buildmart 24" lineal slot diffuser. This air distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air. Connects to: 8" flexible duct in oval shape. Can be used and brazed to a 4" or 6" wood stud. If you do not have this size flex, you can use a reducer to modify the size. Professional HVAC Installer is Recommended. Ideal for Texas

Neck: 19 5/8" x 19 1/2" - Face: 21 5/8" x 21 1/2"

30 x 16 30x16 16x30 16 x 30

ASIN: B09JB4CC5M

We make all sizes from 6x4 to 30x24 Standard Sized Modern AC Vent Covers for the Modern Day Home

Solid extruded aluminum profile with welding - Electrostatic Paint which makes it easy to clean because of it's dust-resistance

CFM: 318 ft3/min - Effective Velocity: 9

CFM: 228 ft3/min - Effective Velocity: 9

28 x 6 28x6 6x28 6 x 28

ASIN: B09WTQJ1P9

Ideal for Texas Buildmart 36" Lineal Slot Diffuser - 1 Slot

ASIN: B09WTVSJSJ

Neck: 13 3/4" x 11 3/4" - Face: 15 3/4" x 13 3/4"