8" Neck White Steel round diffuser, front view
8" Neck White Steel round diffuser, dimensions
8" Neck White Steel round diffuser, front view 2
8" Neck White Steel round diffuser, louver detail
8" Neck White Steel round diffuser, louver detail 2
8" Neck White Steel round diffuser, front view
8" Neck White Steel round diffuser, dimensions
8" Neck White Steel round diffuser, front view 2
8" Neck White Steel round diffuser, louver detail
8" Neck White Steel round diffuser, louver detail 2

Item # 410101-8

8" White Steel Round Ceiling Diffuser, Supply Vent Cover for Round Neck Air Ducts

$23.29
$28.72
$23.29
Order By Neck Size8" Neck
Outer Dimensions 11-15/16" overall faceplate size
Bulk Pricing
2-1011-2021-4950+100+
$19.80$18.64$17.47$16.31
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Available Sizes & Options

See all Steel Round Diffusers →
8" Neck White Steel round diffuser, front view

8" White Steel Round Ceiling Diffuser, Supply Vent Cover for Round Neck Air Ducts

$23.29
8" Neck White Steel round diffuser, front view
8" Neck White Steel round diffuser, dimensions
8" Neck White Steel round diffuser, front view 2
8" Neck White Steel round diffuser, louver detail
8" Neck White Steel round diffuser, louver detail 2

8" White Steel Round Ceiling Diffuser, Supply Vent Cover for Round Neck Air Ducts

$23.29
Description
Description
x

Product Overview

The 8" Neck white steel round ceiling diffuser carries supply air into the room through a ceiling opening. Powder-coated steel resists dents and rust for years of use, a stronger choice than lightweight plastic covers. Select this round ceiling diffuser by its neck size size, not the overall face size, so it seats correctly on the first fit.

Key Features

  • Steel construction: Steel keeps the round ceiling diffuser rigid during installation and resists warping over time.
  • White finish: The white finish coordinates with common flooring, trim, and hardware.
  • Right-fit sizing: Ordered by neck size, this round ceiling diffuser matches standard duct dimensions and cuts wrong-size returns.

Dimensions and Specifications

Product type Round Ceiling Diffuser
Airflow function Supply air
Nominal opening 8" Neck
Overall face dimensions 11-15/16"
Material Steel
Finish White
Mounting location Ceiling
Airflow control Fixed
Order by Neck Size
Pack quantity 1
MPN 410101-8
Brand AirGrilles.com

Is This the Right Vent for Your Opening?

Choose this round ceiling diffuser if you need a supply-air vent for a ceiling opening. This round ceiling diffuser carries supply air and mounts on ceiling surfaces. It is not designed for floor installation or foot traffic, exterior or outdoor use, dryer exhaust venting or use as a filter-holding return grille. Confirm the airflow function against your HVAC layout before ordering.

How to Measure for This Vent

Measure the round duct or collar the diffuser connects to and match it to the 8" Neck neck size above. Do not measure the outer panel. The overall face measures 11-15/16".

Installation

Position the round ceiling diffuser over the duct neck opening with the louvers facing the room. Confirm the frame sits flush against the ceiling surface before marking the screw points. Secure it with the included screws without overtightening, since excess force can distort the frame.

What's Included

  • 1 x round ceiling diffuser
  • Mounting screws

Ductwork, wall anchors, and installation tools are not included.

Care and Maintenance

Clean the round ceiling diffuser with a soft, damp cloth and mild soap. Avoid abrasive chemicals that can damage the white finish. Dry the surface to keep moisture off the metal.

Compare Similar Options

Use this comparison to confirm the round ceiling diffuser matches your opening and airflow need.

Option Best for Material Installation
This round ceiling diffuser Ceiling supply openings Steel Ceiling
Return air grille Return-air openings Steel Wall or ceiling
Wall/ceiling supply register Wall or ceiling supply openings Steel Wall or ceiling
Shipping & Return
Shipping & Return
x

Shipping

  • Free shipping over $250 (contiguous US). Otherwise calculated at checkout.
  • Order by 11:00 AM ET on a business day and it ships the same day — otherwise the next business day.
  • Delivery in about 4–5 days after dispatch (FedEx / UPS), with tracking emailed when your order ships.
  • US only. We cannot ship to P.O. boxes or APO/FPO addresses.

Returns

  • 30-day returns. Item must be unused and in its original packaging; opened packages incur a 20% restocking fee.
  • Start a return from your account or at help@airgrilles.com (authorization required). We email a prepaid return label and deduct return shipping from your refund (free if the return is our error); refunds are issued within 5 business days of approval.
  • Damaged, defective, wrong, or lost item? Tell us within 7 days with photos and your order number.

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