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| Series | EFB Series |
| Fan Type | Axial Fan |
| Features | Locked Rotor Protection |
| Size / Dimension | Rectangular/Rounded - 172mm L x 150mm H |
| Width | 50.80mm |
| Bearing Type | Ball |
| Voltage - Rated | 12 VDC |
| Static Pressure | 0.800 in H2O (199.3 Pa) |
| Air Flow | 279.7 CFM (7.83m³/min) |
| Noise | 57.5dB(A) |
| Power (Watts) | 21.48 W |
| Speed (RPM) | 3700 RPM |
| Termination | 2 Wire Leads |
| Operating Temperature | 14 ~ 158°F (-10 ~ 70°C) |
| Approval Agency | CE, CSA, UL, VDE |
| Weight | 1.9 lbs (861.8 g) |
A: Buyers must inspect the outer packaging and internal items immediately upon delivery. If physical damage is discovered, document the condition with photos/videos and submit a claim to OKmarts within 48 hours of receipt so we can file an immediate report with the carrier and fast-track a replacement shipment.
A: Through our network of partner factories and flexible manufacturing technologies, we support customized production runs for specific structural or wear components. Technical drawings (CAD/STEP files) must be submitted for engineering review and custom prototyping quotes.
A: Immediately upon dispatch, the platform automatically generates an international tracking link integrated with carriers like DHL, FedEx, or UPS. Real-time API tracking is accessible directly from your OKmarts account dashboard, displaying live transit status, customs clearance progression, and finalized delivery updates.
A: If the item you purchased goes on sale within a specified timeframe, you may be eligible for a price adjustment. Please contact our customer service with your order details and the sale information, and we will review your request based on our price adjustment policy.
A: On the product details page, you can view the average rating and user reviews. We encourage users to share their shopping experiences and provide feedback, so you can better understand the opinions and suggestions of other buyers.
A: Yes, we support international shipping. You can select the international shipping option and provide the corresponding shipping address during the checkout process. Please note that international shipping may require additional fees and time.
Dec 12, 2025
Mar 20, 2025
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