The inline duct fans listed here carries voltage Optional, power 28-62 W, documented exactly as the manufacturer publishes it. Made by Foshan Brespalin Co., Ltd (10 years on the platform, typical reply ≤5h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of These Inline Duct Fans
- Power: 28-62 W
- Voltage: Optional
- Blade Material: Cast Iron
- Main Material: Metal
- Warranty: 1 Year
- Place Of Origin: Guangdong, China
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | Optional |
| Blade Material | Cast Iron |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Guangdong, China |
| Brand Name | Brespalin / HDLFan / OEM |
| Product Name | Whisper Box Inline Duct Fan with Low Noise and Compact Design |
| Power | 28-62 W |
| Air Volume | 100-500 cbm/h |
| Frequency | 50/60 Hz |
| Main Material | Metal |
| Noise | 20-32 dB |
| Static Pressure | 110-150 Pa |
| Applicable Area | 5-40 sqm |
| Duct Size | 100-150 mm |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details


Quiet as Breathing.
— Whisper Box Inline Duct Fan for HVAC Fresh Air System
♦ Super Quiet.
♦ Ultra Compact.
♦ Extremely easy installation & Maintenance.
♦ Ball bearing motor.
♦ Full Metal
♦ Higher Pressure, Long distance
♦ Forward sirocco.
♦ Duct air pressurization.
♦ Stable long service life
♦ Unique Design.


Unique Design
— Unique design with other box inline fan on the market. Offer you a strength of compitition.


| Plug-in Quick Inlet/Outlet Only 1 screw for fixing & Disassembly | Plug-in Quick Access Panel Only 2 screws for fixing & Disassembly | Super Compact & Thin Body Comparison of 100CMH Model (DPT10-100) with other products on market. |


Performance Curve
— Quiet Whisper Square Inline Ducted Ventilation Fan for HVAC Fresh Air System




Overall Dimension
— Quiet Whisper Square Inline Ducted Ventilation Fan for HVAC Fresh Air System




PerformanceTable
— Quiet Whisper Square Inline Ducted Ventilation Fan for HVAC Fresh Air System
| Model | Vol./Freq. | Power | Air volume | Noise | Applicable area | Static pressure | Duct size |
| (V/Hz) | (W) | (m3/h) | (dB) | (m²) | (Pa) | (Φmm) | |
| DPT10-100 | 220/50 110/60 | 28 | 100 | 20 | 5~10 | 110 | 100 |
| DPT10-180 | 34 | 180 | 23 | 8~16 | 150 | 100 | |
| DPT15-260 | 38 | 260 | 25 | 10~22 | 130 | 150 | |
| DPT15-350 | 42 | 350 | 30 | 14-28 | 140 | 150 | |
| DPT15-500 | 62 | 500 | 32 | 18-40 | 150 | 150 |


Simple Schematic Diagram of Fresh Air System


We control every step of your order to make sure the goods arrive your side with good situation on time without any worry.

Strict testing for new products, OEM/ODM products, or customized products.


Our own molding factory (90T-1600T) provide us best cost, delivery time, quality for our Air Purifier, Anion generator, UV sterilizer, Fresh Air System, Exhaust Fan, Bathroom Fan, Heat Recovery Ventilator, Inline Duct Fan and so on.


Our own motor production line (two different department separated for different usage of motor.) provide us best cost, delivery time, quality for our own products.


Strictly required 5S workshop, regular staff training, in-process and final inspection, make sure every tiny mistake is stopped before delivery.


Specialized staff gives you an eye on your products. From our detailed loading report, you will know how are the products loaded. What you see will be what you received.



Ordering and Pricing
- Minimum order quantity: 200 piece
- Volume pricing:
- 200–999 piece: US $38 / piece
- 1000+ piece: US $34.4 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this inline duct fans?
The standard minimum order quantity is 200 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the inline duct fans be supplied for my local voltage?
The standard configuration is Optional. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Foshan Brespalin Co., Ltd, based in China. The company 10 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Foshan Brespalin Co., Ltd range on HVACR Nexus.
See more in EC Inline Duct Fans on HVACR Nexus.























