What are the available sizes?

Standard sizes include 100mm, 125mm, 150mm, and 200mm to match various pipe diameters.

What is the lead time for orders?

During peak season, the lead time is one month. In the off-season, it is within 15 workdays.

Factory Supply HVAC Stainless Air Vent Louver for Ventilation System

Name: Factory Supply HVAC Stainless Air Vent Louver for Ventilation System
Brand: NEW HVACR TECHNOLOGY (NINGBO) CO., LTD
SKU: 2003473455

Zhejiang, ChinaNEW HVACR TECHNOLOGY (NINGBO) CO., LTD

US$6.14

1,000-1,999 Pieces

US$3.81

2,000+ Pieces

Product specifications

SUA Series

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

on Line Service

Warranty

One Year

Model NO.

SUA

ventilation mode

natural ventilation

Certification

TUV, ISO9001, CE

Material

SUS 304 Stainless Steel

Usage

Ventilaiton

Installation

Wall Mounted

Size

100/125/150/200mm

Packing

Plastic Bags

Accessories

Rubber Gasket, Installation Screws, Anchors

Surface

Polished

Shape

Rectangle

Feature

Flexible, Energy Saving, Anti-Corrosion, Easy Inst

Function

Supply or Exhaust Air

Process

Integral Mold Stamping + Surface Polishing

Surface Treatment

a Brushed Surface Finish

Adapted Pipe Diameter

100mm (4") / 150mm (6")

Temperature Range

-40°C to 120°C

Service Life

Over 10-15 Years

Transport Package

Carton Box

Specification

100/125/150/200mm

Trademark

Airandus

Origin

China

Production Capacity

50000 Piece/Year

Key features

Premium 304 Stainless Steel: Made of SUS 304 stainless steel for superior corrosion resistance and durability.

10-15 Year Service Life: Long-lasting performance with a service life exceeding 10 to 15 years.

Zero Energy Consumption: Operates on pure gravity drive without requiring any electrical support.

All-Weather Protection: Slanted design effectively prevents rain and snow from entering the system.

Silent Operation Design: Silicone shock-absorbing gaskets eliminate impact noise during operation.

Anti-Corrosion & Rust Proof: High nickel content ensures immunity to rust and oxidation in harsh weather.

Easy Installation: Includes all necessary accessories like gaskets, screws, and anchors for quick setup.

Natural Ventilation Mode: Utilizes air pressure difference for automatic opening and closing.

Company profile

Importers and ExportersMulti-language PioneerFlexible CustomizationQA/QC Inspectors

NEW HVACR TECHNOLOGY (NINGBO) CO., LTD

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2003-06-01Nearest Port: Ningbo/ShanghaiAverage Response Time: ≤2.41hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP, Others

AI-Powered supplier vetting

SummaryThe supplier is presented as a professional technical HVAC/R supplier with production lines, moulds, patents, and a complete HVAC/R product range. It reports ISO 9000 and ISO 9001 management-system certifications and states that most products hold CE, RoHS, and UL approvals. Customization is available from samples and designs, including full, minor, and flexible customization. However, the supplier does not provide 3D software design, ODM, SDK, or well-known-brand OEM services, and launched no new products in the past year. It has no overseas warehouse, showroom, agent or branch, and has not participated in offline trade shows. Service quality assurance is stated, but complaint handling and corrective-action arrangements are described only as “Others.” Financial records are referenced for 2022–2024, but no financial performance details are provided. No specific customer cases are identified.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and describes a complete HVAC/R range with production lines, moulds, patents, and one-stop solutions. Its stated business scope also covers hardware, building materials, mechanical equipment, refrigeration and air-conditioning equipment, and related technical services.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. It also states that most products are approved by CE, RoHS, and UL, although the evidence does not indicate that every product holds these approvals.

R&D capabilityThe supplier has R&D capability, patents, and states that it continues to innovate and improve technology. Conversely, it launched no new products in the past year and does not provide ODM, SDK, or 3D software design services, indicating some limitations in documented innovation-service breadth.

Production capacityThe supplier states that it owns a series of production lines and moulds and provides a complete HVAC/R product range. Its business scope includes sales of refrigeration and air-conditioning equipment and related industrial products, supporting production-related capability, although no capacity or output figures are given.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as full, minor, and flexible customization. This supports a broad customization offering, but 3D software design is not available.

Product Q&A

Q:Will it rust after being exposed to rain and sun?

No. Due to the high nickel content in 304 stainless steel, it is highly resistant to rust and oxidation. It will maintain its brushed finish even in harsh weather conditions for years.

Q:Does the flap make a loud noise in the wind?

We have addressed this common issue by adding silencing gaskets/buffer pads (optional feature) to the contact points. This significantly reduces the 'clattering' noise during windy days or high-airflow operation.

Q:Is it effective against backdrafts?

Absolutely. The gravity-fed flap is designed to stay closed when the fan is off. This creates a physical barrier that prevents cold air, odors, and dust from blowing back into your house.

Q:Is installation difficult?

Not at all. The vent features 3-4 fixing clips on the neck for a 'push-fit' installation. For extra security, we recommend using the provided screw holes on the outer frame and a bead of silicone sealant around the edges to ensure it's completely waterproof.

Q:How do I clean it?

Stainless steel is very low-maintenance. You can simply wipe the surface with a damp cloth or use a mild stainless steel cleaner to remove grease (if used as a kitchen range hood exhaust).