The centrifugal blower listed here carries 110V/220VModel Number: 2.5, power source Electric, documented exactly as the manufacturer publishes it. Made by ZHEJIANG LARISSA MECHANICAL ELECTRIC TECHNOLOGY CO., LTD. (9 years on the platform, factory-assessed). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Centrifugal Blower
- Model Number: FB21
- Power Source: Electric
- Power: 40-330w
- Rated Voltage: 110V/220VModel Number: 2.5
- Material: Aluminum Alloy
- Blade Material: Aluminium Alloy
Technical Specifications
| Application | Air Blower |
|---|---|
| Power Source | Electric |
| Rated Voltage | 110V/220VModel Number: 2.5 |
| Electric Current Type | AC |
| Motor Type | AC Motor |
| Material | Aluminum Alloy |
| Blade Material | Aluminium Alloy |
| Noise Level | 40-60dB |
| Pressure | High Pressure |
| Warranty | 1 year |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Zhejiang, China |
| Brand Name | Larissa |
| Model Number | FB21 |
| Usage | High Pressure Blowing |
| Frequency | 50/60 Hz |
| Power | 40-330w |
| Color | Green |
| Noise | Low Noise |
| WEIGHT | 1.44kg |
| Function | Cooling Air |
| Selling Units | Single item |
| Single Package Size | 35X27X30 cm |
| Single Gross Weight | 6.000 kg |
Product Details












item | value |
Warranty | 1 year |
Customized support | OEM, ODM, OBM |
Rated Voltage | 110V/220VModel Number: 2.5 |
Place of Origin | China |
Zhejiang | |
Brand Name | Larissa |
Model Number | FB21 |
Application | Air Blower |
Pressure | High Pressure |
Power Source | Electric Blower |
Product name | Roots Blower |
Material | Aluminum Alloy |
Usage | High Pressure Blowing |
Frequency | 50/60 Hz |
Power | 40-330w |
Color | Green |
Type | High Pressure Roots Blower |
Noise | Low Noise |
WEIGHT | 1.44kg |
Function | Cooling Air |










Transfer | FOB/CIF | ||||||
Payment | TT/LC/VISA/MASTER | ||||||
Port | SHANGHAI/NINGBO/GUANGZHOU/YIWU | ||||||
Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–499 set: US $15 / set
- 500+ set: US $13 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal blower?
The standard minimum order quantity is 1 set. 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 centrifugal blower be supplied for my local voltage?
The standard configuration is 110V/220VModel Number: 2.5. 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 ZHEJIANG LARISSA MECHANICAL ELECTRIC TECHNOLOGY CO., LTD., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full ZHEJIANG LARISSA MECHANICAL ELECTRIC TECHNOLOGY CO., LTD. range on HVACR Nexus.
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