4" Inch Round Plastic Air Vent Diffuser – HVAC Duct Air Intake and Exhaust Circular Vent Cover - Adjustable Vent

4" Inch Round Plastic Air Vent Diffuser – HVAC Duct Air Intake and Exhaust Circular Vent Cover - Adjustable Vent for Home - Wall Airflow Diffuser - Round Ceiling Diffuser - AC Vent

$41.55
Sale price  $41.55 Regular price  $71.41
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4" Inch Round Plastic Air Vent Diffuser – HVAC Duct Air Intake and Exhaust Circular Vent Cover - Adjustable Vent

4" Inch Round Plastic Air Vent Diffuser – HVAC Duct Air Intake and Exhaust Circular Vent Cover - Adjustable Vent for Home - Wall Airflow Diffuser - Round Ceiling Diffuser - AC Vent

$41.55
Sale price  $41.55 Regular price  $71.41

4" Inch Round Plastic Air Vent Diffuser – HVAC Duct Air Intake and Exhaust Circular Vent Cover - Adjustable Vent for Home - Wall Airflow Diffuser - Round Ceiling Diffuser - AC Vent is listed in our Vent Covers & Registers collection. Use the verified features and specifications below to compare it with your space, equipment, and intended use.

Key features

  • PRECISE SIZING: Neck diameter 3.85". Neck depth: 1.81". Flange diameter 5.71". Diffuser cover outer diameter 6.02" with thickness of 0.27". This sleek universal diffuser fits standard round air ducts and HVAC vents / pipes or ventilation ductwork, offering a clean, professional finish for your space.
  • MATERIAL & DURABILITY – Made from quality UV-resistant white plastic that offers long-lasting strength and stability. Resistant to deformation corrosion and moisture making it ideal for use in high-humidity areas like bathrooms kitchens or laundry rooms. The lightweight yet rigid construction guarantees durability for continuous use in residential and commercial ventilation systems.
  • FUNCTIONALITY – Provides efficient air distribution for both supply and exhaust ventilation. The adjustable central plate allows manual regulation of airflow ensuring optimal air balance across rooms. Perfect for maintaining comfortable indoor air circulation while keeping the design minimal and elegant. Round air vent compatible with round ducts in HVAC AC and passive ventilation systems.
  • EASY INSTALLATION – Quick and straightforward setup — align the neck with the duct opening secure with screws and attach the adjustable diffuser plate. The threaded center screw enables precise airflow adjustment without additional tools. Suitable for wall or ceiling mounting this diffuser ensures a clean professional look with a flush finish. (SCREWS NOT INCLUDED).
  • APPLICATION – Ideal for both residential and commercial environments — install it in bathrooms kitchens offices bedrooms or utility rooms. Can be used as a vent covers for home ceiling diffuser soffit vent wall air outlet exhaust cap. Ensures even airflow distribution and efficient ventilation performance in HVAC air conditioning and extraction systems.

Product details

  • Item Weight: 3.7 ounces.
  • Product Dimensions: 6.02 x 6.02 x 2.48 inches.
  • Size: Ø 4 Inch.
  • Color: White.
  • Material: Plastic.
  • Shape: Circular.
  • Number Of Pieces: 1.
  • Batteries Included?: No.
  • Batteries Required?: No.
  • Best Sellers Rank: #301,151 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,640 in Registers, Grilles & Vents.
  • Date First Available: June 3, 2025.

Before ordering

Confirm the listed dimensions, power requirements, replacement-part compatibility, included pieces, and care instructions for the selected item. Current price, inventory, shipping, and taxes are confirmed at checkout.

Frequently asked questions

What kind of product is this?

This item is categorized as Vent Covers & Registers.

What should I check before buying?

Compare the listed measurements, materials, power source, capacity, and compatibility details with your requirements.

Where can I confirm availability?

Use this product page and checkout for the current selling price, discount, inventory, delivery options, and applicable taxes.

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