18 in. Width x 8 in. Height

Sort & Filter
18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$28.77
  • LogoFREE 2-Day Shipping
  • In Stock
(23)
 
18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
$55.90
  • LogoFREE 2-Day Shipping
  • Currently Out Of Stock
(16)
 
18" X 8" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
18" X 8" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$37.47
  • LogoFREE 2-Day Shipping
  • In Stock
(14)
 
18" x 8"" Steel Return Air Filter Grill for 1" Filter Removable Face/Door
18" x 8"" Steel Return Air Filter Grill for 1" Filter Removable Face/Door
$39.83
  • LogoFREE 2-Day Shipping
  • In Stock
 
18" X 8" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
18" X 8" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$35.34
  • LogoFREE 2-Day Shipping
  • In Stock
(15)
 
18" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
18" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
$35.95
  • LogoFREE 2-Day Shipping
  • Currently Out Of Stock
 
18"w X 8"h Aluminum Exterior Crawlspace Vent - Rain & Waterproof Air Vent With Screen Mesh
18"w X 8"h Aluminum Exterior Crawlspace Vent - Rain & Waterproof Air Vent With Screen Mesh
$46.96
  • LogoFREE 2-Day Shipping
  • Currently Out Of Stock
 
18"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille - Full Control Horizontal Airflow Direction Single Deflection
18"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille - Full Control Horizontal Airflow Direction Single Deflection
$38.25
  • LogoFREE 2-Day Shipping
  • In Stock
 
18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$20.99
  • LogoFREE 2-Day Shipping
  • Currently Out Of Stock
(20)