Best 4 X 8 Register Cover in 2022 [*Top Picks*]

Looking for the best 4 x 8 register cover on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

4202 Reviews Scanned

  • 8
    Bestseller #1
    8"w x 4"h Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall or Ceiling - Grille Register - High Airflow - White [Outer Dimensions: 9.75"w X 5.75"h] (1258)
      Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment - Screws Included Multi-Shutter Damper With Easy Handle Operator Gives You Full Control Over Airflow Direction & Amount of Airflow - Can Also Be Shut Completely 3.5 X 7.75 Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 9.875" Width X 6" Height - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE Full 190 Degrees Control of Air Direction Vertically & Horizontally Easy Unrestricted Air Flow For Your HVAC System
  • DANCO Mobile Home RV Floor Register with 1-5/16 inch Drop, 4 inch x 8 inch, Steel, White, 1-Pack (62069)
    Bestseller #1
    DANCO Mobile Home RV Floor Register with 1-5/16 inch Drop, 4 inch x 8 inch, Steel, White, 1-Pack (62069) (386)
      LOUVERED FLOOR REGISTER for mobile homes and RVs made of durable steel construction for long life FITS inside openings that are 4 inches wide by 8 inches long with OVERALL DIMENSIONS at 5-1/2 inches wide X 10-1/4 inches long X 1-5/16 inches deep SMOOTH OPENING and closing for optimal airflow throughout your mobile home and RV DESIGNED FOR heating and air conditioning in mobile homes and RVs EASY TO INSTALL with a fresh white finish for a clean updated look
  • Decor Grates SPH408-NKL Floor Register, 4x8, Brushed Nickel Finish
    Bestseller #1
    Decor Grates SPH408-NKL Floor Register, 4x8, Brushed Nickel Finish (386)
      Scroll Design steel plated - Brushed Nickel finish floor register Easy to install - Just drop into vent - no tools required Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option Available in a variety of styles and finishes to match any decor; Air Filter not included Filter retainer and filter are sold separately
  • 8
    Bestseller #1
    8"w X 4"h 3-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 9.75"w X 5.75"h] (1258)
      8"w X 4"h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 9.75"w X 5.75"h - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet Lever QUALITY PACKAGING - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment - Hand Inspected for Quality Easy Unrestricted Air Flow Deflection For Your HVAC System - 1/2 Inch Spaced Fins
  • 8x4 Standard Linear Slot Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home
    Bestseller #1
    8x4 Standard Linear Slot Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home (68)
      Commercial grade solid aluminum with modern architectural design for ceilings, walls, and floors. This model can be used as a supply vent cover and return vent cover - This is a non-filter model Our vents are perfect for bathrooms, kitchens, and living rooms and can be used to update your office setting or commercial space. Update any room with our modern ac vent covers Cfm: 138 ft3/min - effective velocity: 9.8 ft/s; neck: 7 13/16" x 3 7/8" - face: 9 3/4" x 5 3/4" (The neck is the section that goes into the vent hole while the face is what will actually cover) Use our modern ac vents covers for your office essentials, home improvement, or remodels. Adds value to any wall, ceiling & floor space by updating not only the look but also the feel *This is a design and utility patent pending product* We make all sizes from 6x4 to 30x24 standard sized modern ac vent covers for the modern day home
  • 8 x 4 inch Ceiling or Wall Vent Cover in Aluminum, Return air Grille. HVAC registers, grilles & Vents, ac Vent Cover Adjustable Register. Outer Size is 9,625
    Bestseller #1
    8 x 4 inch Ceiling or Wall Vent Cover in Aluminum, Return air Grille. HVAC registers, grilles & Vents, ac Vent Cover Adjustable Register. Outer Size is 9,625" Width X 5,625" Height. White. (31)
      Aluminum ceiling or wall return grille HVAC for ac register. The design of curved blades allows air to pass easily. Coated in High-resistance electrostatic white paint finish, aluminium colour. Extruded aluminium construction. It can be used for air injection or extraction in any type of enclosure, whether residential or institutional. Its architectural design allows for elegant industrial, commercial, institutional or residential spaces. Its lightweight architectural design makes it an adequate option for passive or forced ventilation. Our experience and brand recognition have allowed LAMINAIRE its international expansion, achieving a presence in more than 20 countries with the purpose of keeping growing. A return grille is a product designed for extraction of air through drop ceiling panels or vertical walls, whether residential and/or commercial.
  • EZ-FLO 61658, White Three-Way Sidewall/Ceiling Register, 8 inch (W) x 4 inch (H) Opening, 8
    Bestseller #1
    EZ-FLO 61658, White Three-Way Sidewall/Ceiling Register, 8 inch (W) x 4 inch (H) Opening, 8" x 4" (386)
      ✅MEASUREMENT- The three-way sidewall/ceiling register measures 9-3/4 inch x 5-3/4 inch with a duct opening of 8 inch x 4 inch. ✅DESIGN- Designed for use in both sidewall and ceiling locations that features a three-way air deflection to allow a better flow of air. ✅QUALITY- Features a powder-coated white finish that resists flaking, scratching and fading and provides a longer-lasting performance. Constructed of heavy-duty steel that provides strength and durability. ✅FUNCTIONALITY- The steel register has a three-way air deflection to allow a better flow of air. ✅INSTALLATION- Includes (2) screws for an easy installation.
  • Brown Floor Registers 4 X 8 Lot of 6
    Bestseller #1
    Brown Floor Registers 4 X 8 Lot of 6 (469)
      Made in USA Metal not Plastic
  • 8
    Bestseller #1
    8" x 4" Adjustable Blade Sidewall Ceiling Register Vent Cover Diffuser Heavy Duty Stamped Steel (Listed Size is Duct Opening Inside Measurement) (266)
      The listed size 8" x 4" is for the inside duct opening measurement. Heavy duty stamped steel face for long lasting use Multi-shutter damper with easy handle to adjust desired among of air flow Adjustable blade allows all direction air deflection Individually shrink wrapped with card board pad in the back for extra protection
  • Decor Grates AC408-BLK Victorian Floor Register, 4 x 8, Cast Iron Black, 2 Sq Ft
    Bestseller #1
    Decor Grates AC408-BLK Victorian Floor Register, 4 x 8, Cast Iron Black, 2 Sq Ft (386)
      Victorian Scroll Design Cast Iron Black floor register The edges have been squared off, so it can be installed as a drop in register or a flush mount register. If used as a drop in register, it’s easy to install and no tools required. If used as a flush mount register, you need to cut your flooring, so that the opening in your flooring material is the same size as the register face plate. Depending on the thickness of your flooring, you may need to add shims underneath the register to make it flush with the flooring material. Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option Solid Cast Iron face plate - won't chip or fade Filter retainer and filter are sold separately
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