Metal Square Exhaust Fan is a durable square metal wall exhaust fan for spaces that need strong air removal, fast heat dissipation and reliable daily ventilation.
Metal Square Exhaust Fan is designed for powerful wall exhaust where fast heat dissipation and strong air circulation matter.
Its metal housing, efficient fan blades and durable motor make it suitable for workshops, warehouses, factories, kitchens and other spaces requiring reliable ventilation.
Built for strong wall exhaust, this series combines metal durability, efficient blades and easy-clean protection.
Metal construction supports long-term wall exhaust use.
Multiple sizes match different wall openings.
High airflow options support larger exhaust requirements.
Square format supports simple wall mounting.
Pressure values help compare model suitability.
Useful for heat, moisture and stale air extraction.
| Model | D | D1 | L |
|---|---|---|---|
| NO 1.5 | 150 | 160 | 135 |
| NO 2 | 200 | 210 | 150 |
| NO 2.5 | 250 | 240 | 160 |
| NO 3 | 300 | 290 | 170 |
| NO 3.5 | 350 | 340 | 190 |
| NO 4 | 400 | 390 | 190 |
| Model | Speed (RPM) | Power (W) | Airflow (m³/h) | Pressure (Pa) | Noise dB(A) |
|---|---|---|---|---|---|
| 1.0 | 2800 | 20/25 | 150 | 50 | 40 |
| 1.5 | 2800 | 40/60 | 650 | 80 | 50 |
| 1.8 | 2800 | 50/70 | 800 | 95 | 50 |
| 2 | 2800 | 80 | 1250 | 130 | 60 |
| 2.5 | 2800 | 100 | 1850 | 200 | 63 |
| 3 | 2800 | 120 | 2650 | 215 | 65 |
| 3.5 | 2800 | 550 | 4500 | 235 | 70 |
| 4 | 2800 | 750 | 5800 | 360 | 75 |
Durable wall exhaust for workshops, storage rooms, warehouses and utility spaces.
Removes hot or stale air from working areas.
Supports air exchange in storage and utility spaces.
Provides wall exhaust support for larger spaces.
We eliminate procurement and installation risks through rigorous factory verification and straightforward B2B warranty support.
Every batch undergoes strict functional and dimensional routing tests, including motor startup, metal housing fit, mounting size alignment, airflow and pressure verification, noise review and model-to-table parameter matching. We ensure that every single unit arrives at your project site fully functional and ready for flawless installation.
We stand firmly behind our manufacturing craftsmanship. In the rare event of any material defect or mechanical failure under standard project operations, KCVENTS provides a straightforward, hassle-free hardware replacement service to secure your timeline.
As a global manufacturer of HVAC and ventilation equipment, KCVENTS is dedicated to providing flexible customization services and robust long-term supply chain warranty terms for contractors, brands, and wholesalers.
We support full private labeling (OEM) and custom housing finishes. Our ODM engineering covers custom chassis modifications, specialized airflow curves, and regional electrical standards (e.g., 110V/60Hz, 24V variable frequency).
For large-scale HVAC and green building deployments, we offer structured MOQ tiers, staged shipping contracts, and agile multi-batch delivery aligned with your construction timeline. Technical submittals and parameter validation are included.
Motors enjoy an extended warranty of up to 3 to 5 years, backed by a comprehensive 1-year full system warranty. Bulk orders are eligible for a dedicated percentage of maintenance spares along with 1-on-1 remote engineering support.
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