BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 3 Slot - Triple 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: 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: 7 1/2" x 5 3/4" - Face: 9 3/4" x 7 15/16"

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

ASIN: B09JBJLRKY

CFM: 291 ft3/min - Effective Velocity: 9

Entry size: 2 entries of 10" flex in oval shape

CFM: 318 ft3/min - Effective Velocity: 9

Ideal for Texas Buildmart 24" Lineal Slot Diffuser - 1 Slot

ASIN: B091SH7NYS

CFM: 254 ft3/min - Effective Velocity: 9

ASIN: B07NDQ6SPS

Neck: 19 9/16" x 11 3/4" - Face: 21 5/8" x 13 3/4"

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