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| Series | EFB Series |
| Fan Type | Tubeaxial |
| Features | Locked Rotor Protection |
| Size / Dimension | Square - 40mm L x 40mm H |
| Width | 20.00mm |
| Bearing Type | Ball |
| Voltage - Rated | 5 VDC |
| Static Pressure | 0.136 in H2O (33.9 Pa) |
| Air Flow | 5.5 CFM (0.154m³/min) |
| Noise | 22.0dB(A) |
| Power (Watts) | 500 mW |
| Speed (RPM) | 5000 RPM |
| Termination | 2 Wire Leads |
| Operating Temperature | 14 ~ 158°F (-10 ~ 70°C) |
| Approval Agency | CE, CSA, UL, VDE |
| Weight | 0.073 lb (33.11 g) |
A: OKmarts procures components directly from authorized manufacturers and verified tier-1 global distributors. Every product undergoes rigorous inbound inspection, featuring factory serial number tracking and original packaging verification to prevent any counterfeit or refurbished goods from entering the supply chain.
A: Our pricing is transparent. Line items for product costs and shipping fees are explicitly detailed at checkout. Local import duties, VAT, or regional consumption taxes are typically the responsibility of the importer of record unless a DDP (Delivered Duty Paid) arrangement is pre-negotiated.
A: Yes. Procurement teams do not need to search for individual parts manually. You can upload an Excel/CSV file containing your complete Bill of Materials (BOM) with part numbers, quantities, and brands. Our automated processing engine, backed by data engineers, will generate a comprehensive consolidated quote within 24 hours.
A: We value your feedback and suggestions for improving our services. You can provide suggestions by contacting our customer service team or using the feedback form on our website. We appreciate your input and strive to enhance our offerings based on customer suggestions.
A: Unfortunately, we do not directly provide installation services for products. The availability of installation services is usually mentioned on the product page. If you truly need installation assistance, please contact our customer service team for more detailed information and arrangements. We will actively provide assistance.
A: International orders may be subject to customs duties, taxes, and import fees levied by the destination country. These charges are the responsibility of the recipient and are determined by the customs authorities. It's advisable to check with your local customs office for information on potential fees before placing an international order.
Feb 28, 2026
Feb 19, 2026
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