18" X 1 3/4" Linear Slot Plenum Box - For Single Slot (1 Slot) Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home
18" X 1 3/4" Linear Slot Plenum Box - For Single Slot (1 Slot) Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home
Linear Slot Diffusers

18" X 1 3/4" Linear Slot Plenum Box - For Single Slot (1 Slot) Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home

Regular price $75.00 Sale price $89.99 Unit price per
Shipping calculated at checkout.
  • Galvanized sheet metal Plenum Box with black foam insulation, ideal for Texas Buildmart 18" 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 Buildmart 18" Lineal Slot Diffuser - 1 Slot
  • Galvanized sheet metal Plenum Box with foam insulation
  • Total Box Dimensions: L: 19 1/16" W: 3" H: 11 15/16"
  • Mouth Dimensions: L: 18" W: 1 11/16"
  • Entry size: 8" flex in oval shape
  • This air-distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air
  • If you do not have this size flex, you can use a reducer to modify the size

    Here's a link to the diffuser that fits this Plenum Box:

    18" Linear Slot Diffuser - 1 Slot - AC Vent - Register