BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and CoolingGalvanized sheet metal Plenum Box with foam insulation, ideal for Texas Buildmart 72" lineal slot diffuser. This air distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air. Connects to: 10" 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: 11 7/8" x 3 1/8" - Face: 13 1/4" x 4 5/8"

This Model can be used in Ceilings and Walls

Neck: 35 1/2" x 5 15/16" - Face: 37 3/8" x 7 7/8"

48" Linear Slot Diffuser - 3 Slot - Triple Slot Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings

ASIN: B07N4H5NVZ

CFM 389 ft3/min - Effective Velocity 9

Total Box Dimensions: L: 48 3/4" W: 6 1/16" H: 11 15/16"

Total Box Dimensions: L: 19 1/8" W: 4 9/16" H: 11 7/8"

Neck: 29 9/16" x 11 3/4" - Face: 31 1/2" x 13 3/4"

Ideal for Texas Buildmart 72" Lineal Slot Diffuser - 3 Slot

Neck: 17 13/16" x 4 11/16" - Face: 19 1/4" x 6 1/8"

Neck: 25 9/16" x 5 7/8" - Face: 27 1/2" x 7 7/8"