Fast Track to a Quote
Certification | Testing
Factory Certified
Refund guarantee
24h refund guarantee
Secure Payment
PayPal Verified
Registered Members Enjoy Exclusive Discounts
100% Original
Genuine OEM Parts
Fast Delivery
Shipped via FedEx / DHL / UPS
12-Month Warranty
Worry-Free Coverage
Secure Packaging
Safe & Reliable
5,000+ Global Suppliers
Trusted by Professionals
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
| Series | FFB Series |
| Fan Type | Axial Fan |
| Features | Locked Rotor Protection |
| Size / Dimension | Square - 139.7mm L x 139.7mm H |
| Width | 50.80mm |
| Bearing Type | Ball |
| Voltage - Rated | 24 VDC |
| Static Pressure | 0.644 in H2O (160.4 Pa) |
| Air Flow | 252.1 CFM (7.06m³/min) |
| Noise | 58.5dB(A) |
| Power (Watts) | 21.84 W |
| Speed (RPM) | 3200 RPM |
| Termination | 2 Wire Leads |
| Operating Temperature | 14 ~ 122°F (-10 ~ 50°C) |
| Approval Agency | CE, CSA, UL, VDE |
| Weight | 1.5 lbs (670.0 g) |
A: Once a Proforma Invoice is issued and payment is confirmed, your pricing is legally locked. OKmarts absorbs any subsequent raw material price spikes, supplier price adjustments, or sudden export tariff increases, guaranteeing that the price you pay at checkout is final.
A: We offer supply chain buffering and safety stock agreements for industrial clients. By sharing your annual procurement forecast, we can pre-allocate inventory in our warehouses to guarantee a continuous, predictable supply and protect your production lines from market shortages.
A: Hardware units ship with standard factory-default firmware. For proprietary programming software or specific firmware flashes required for legacy system compatibility, buyers must consult our technical support team during procurement to confirm licensing terms.
A: You can provide feedback or review a product by accessing the product page and clicking on the "Write a Review" or "Leave Feedback" option. Share your experience and opinions to help other shoppers make informed decisions.
A: On the product details page, you can view the size and specifications of the product. We usually provide detailed size charts and specification descriptions to help you choose the right product.
A: The shipping time depends on the shipping method you choose and the destination. Estimated delivery times are usually provided during the checkout process.
May 01, 2026
Apr 08, 2026
High Efficiency
Stable Performance