10 x 6 inch Vent Duct Cover: Aluminum Air Supply HVAC Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Ensure Proper Fit with 10" x 6" Duct Hole Measurement. -
Amazon.com: 14" x 8" Adjustable Blade Sidewall Ceiling Register Vent Cover Diffuser Heavy Duty Stamped Steel (Listed Size is for Duct Opening or Inside Measurement) : Tools & Home Improvement
Amazon.com: 24"w X 6"h 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent Duct Cover [Outer Dimensions: 25.65"w X 7.65"h] : Health & Household
12"w X 6"h ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - White [Outer Dimensions: 13.75"w X 7.75"h] - Heating Vents - Amazon.com
Amazon.com: 6" X 4" Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - White [Outer Dimensions: 7.75"w X 5.75"h] : Tools & Home Improvement
Amazon.com: 12" x 8" Adjustable Blade Sidewall Ceiling Register Vent Cover Diffuser Heavy Duty Stamped Steel (Listed Size is for Duct Opening or Inside Measurement) : Tools & Home Improvement
Amazon.com: 10"w X 10"h Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - Black [Outer Dimensions: 11.75"w X 11.75"h] : Tools & Home
Amazon.com: 12" x 4" Adjustable Blade Sidewall Ceiling Register Vent Cover Diffuser Heavy Duty Stamped Steel (Listed Size is for Duct Opening or Inside Measurement) : Tools & Home Improvement
6"w X 4"h 2-Way- Flat Stamped Steel - Vent Cover - Grille Register - Sidewall or Ceiling - High Airflow - White [Outer Dimensions: 7.75"w X 5.75"h] - Amazon.com
8"x 8" (Duct Opening Size) 3-Way Stamped Face Steel Ceiling/sidewall Air Supply Register - Vent Cover - Actual Outside Dimension 9.75" X 9.75" - Amazon.com
Amazon.com: 18"w X 16"h Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 19.5”w x 17.5”h] : Tools
6" x 6" Adjustable Blade Sidewall Ceiling Register Vent Cover Diffuser Heavy Duty Stamped Steel (Listed Size is Duct Opening Inside Measurement) - Amazon.com
Amazon.com: 24" w X 24" h Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - White [Outer Dimensions 25.5”w x 25.5”h] :
12"w X 8"h Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - White [Outer Dimensions: 13.75"w X 9.75"h] - Heating Vents - Amazon.com
12"w X 12"h Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent Duct Cover [Outer Dimensions: 13.6"w X 13.6"h] - Amazon.com
10" x 8" - 1-Way Air Vent - Adjustable Aluminum Curved Blades - Maximum Air Flow - HVAC Grille - Amazon.com
Amazon.com: 16" w X 16" h Anodized Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille [Outer Dimensions 17.5”w x 17.5”h] :
12"w x 8"h 1-Way Fixed Curved Blade AIR Supply Diffuser - Vent Duct Cover - Grille Register - Sidewall or Ceiling - High Airflow - White - Amazon.com
14"w X 8"h 2-Way-Flat Stamped Steel - Vent Cover - Grille Register - Sidewall or Ceiling - High Airflow - White [Outer Dimensions: 15.75"w X 9.75"h] - Amazon.com
10.5"w X 10.5"h Gable Vents, Hon&Guan Aluminum Alloy Wall Vents Attic Vents for Houses Door Vents for Exterior Doors [Outer Dimensions: 12”x 12”h]. - Amazon.com
Amazon.com: 8" x 8" Adjustable Blade Sidewall Ceiling Register Vent Cover Diffuser Heavy Duty Stamped Steel (Listed Size is for Duct Opening or Inside Measurement) : Tools & Home Improvement
Amazon.com: ONLTCO Expert RV Vent Lid Replacements (2-Pack) - Universal Fit for Trailers, Campers & Motorhomes, White Covers with Durable Metal Hinges, Compatible with Jensen, Ventline & Elixir Vents : Automotive