Can the grille be adjusted to control airflow?

This model features a fixed square grille designed for consistent, even air distribution. If you need adjustable airflow control, please check our other vent models with adjustable blades.

What is the difference between this and standard air vents?

Unlike basic vents, our square grille design offers a modern, grid pattern that blends seamlessly with contemporary interiors, while still providing high airflow efficiency. The sturdy metal construction also ensures it won't warp or bend over time like plastic alternatives.

Is this vent suitable for high-moisture areas like bathrooms?

Yes! The powder-coated finish provides excellent resistance to moisture and humidity, preventing rust or discoloration in steamy environments like bathrooms and laundry rooms.

Aluminum Linear Grille with Butterfly Damper for Ceiling Pressure Control

Name: Aluminum Linear Grille with Butterfly Damper for Ceiling Pressure Control
Brand: Qingdao Chengmingde Industry and Trade Co., Ltd.
SKU: 2295886625

Shandong, ChinaQingdao Chengmingde Industry and Trade Co., Ltd.

US$7.00

10 Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Material

Aluminum

Usage

for Air Conditioner

Type

Flat Mouth

Venetian-Style Air Layers

Three

Installation

Outdoor Wall-Mounted

Certification

ISO, CE

Product Name

Stainless Steel Roof Ventilator

Function

Exhaust Air

Feature

Easy to Install

Shape

Rectangular Strip

Color

Silvery

Ventilation Mode

Mechanical Ventilation

Customized

Transport Package

Carton Box or Wooden Box

Specification

Customized

Trademark

Eayvent

Origin

Qingdao

HS Code

84146090

Key features

Premium Aluminum Material: Extruded high-grade aluminum with excellent corrosion resistance and structural stability.

Customizable Colors: Available in white, silver, or custom RAL colors with electrostatic powder coating or anodizing.

Aerodynamic Bar Design: 8mm to 20mm spacing reduces pressure drop and saves fan energy while preventing whistling.

Flexible Installation: Suitable for plasterboard, T-bar, or exposed grid ceilings with surface or recessed mounting.

Easy Maintenance: Removable core allows tool-free access for cleaning and filter changes.

Wide Application Scope: Ideal for offices, hotels, hospitals, schools, and residential spaces requiring quiet air distribution.

Customization Options: Custom lengths, bar spacings, and optional features like dampers and insect screens available.

Durable Finish: Powder-coated finish resists scratches and yellowing for long-lasting appearance.

Company profile

Qingdao Chengmingde Industry and Trade Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.06h

AI-Powered supplier vetting

SummaryQingdao Chengmingde Industry and Trade Co., Ltd. is a China-based trading company established in 2022 with two employees and a valid import/export license. It provides 3D software design and broad customization services, including sample-based, design-based, full, minor, and flexible customization, and also offers ODM services. However, it is explicitly not classified as a professional technical supplier, reported no new products in the past year, and has no SDK or known OEM service for popular brands. Finished products are checked by packing staff, while corrective and preventive action procedures or records are absent. The supplier has no overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation. The provided financial records show zero reported operating revenue and other listed financial indicators for the stated periods, so financial credibility cannot be established from the available evidence.

Supplier typeThe supplier is identified as a limited trading company located in Qingdao, Shandong, China, rather than a professional technical supplier. Its stated business scope includes technical promotion, information-system operation and maintenance, appliance installation, fire-fighting and security equipment sales, and metal-product manufacturing through branches.

CertificationsThe supplier is explicitly reported to hold a valid import/export license. No other certification information is provided, so the assessment is limited to this license.

After-Sales capabilityQuality assurance is reported in quality-control processes, but there are no written corrective and preventive action procedures or records, and complaint-handling capability is recorded only as “Others.” The supplier also lacks overseas warehouses, showrooms, agents or branches, and has not participated in offline trade shows, limiting demonstrated service coverage.

Financial creditThe provided records report zero operating revenue and zero values for the listed costs, profits, cash receipts, cash inflows, cash outflows, and current ratio across the stated periods. These figures do not provide positive evidence of financial strength or operating activity, although no independent conclusion about solvency is possible from the slices alone.

R&D capabilityThe supplier provides 3D software design and ODM services, indicating some design-related capability. However, it is not identified as a professional technical supplier, reported no new products in the past year, and has no available SDK.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. It also provides 3D software design services, directly supporting a broad customization capability.

Product Q&A

Q:What material is this air vent made of?

Our square grille air vent is crafted from high-quality, durable powder-coated steel (aluminum options available on request). The white finish is scratch-resistant, rust-proof, and easy to clean, making it ideal for long-term use in kitchens, bathrooms, living rooms, and offices.

Q:What size should I choose for my duct opening?

We recommend selecting the vent based on your duct opening dimensions, not the overall faceplate size. For example, a '10x10 inch' vent fits a 10x10 inch duct opening, with the outer trim adding approximately 1 inch to each side for flush installation. Please check the size chart carefully before ordering.

Q:Can this vent be installed on walls and ceilings?

Yes! The square grille design works perfectly for both wall and ceiling applications. The flush-mount frame ensures a clean, seamless look with any modern decor style, from minimalist to Scandinavian.

Q:Is the grille removable for cleaning?

Absolutely. The inner grille is fully removable, allowing easy access to clean dust, debris, or pet hair that builds up over time. This helps maintain optimal airflow and indoor air quality.

Q:Does this vent come with screws for installation?

Yes, all necessary mounting hardware (screws) is included in the package for quick, hassle-free installation. No additional tools or parts are required.