Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
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Description
COMFAST CF-723B Mini 2 in 1 USB Bluetooth WiFi Adapter 150Mbps Wireless Network Card ReceiverSpecifications: 1. Brand: COMFAST 2. Model: CF 723B 3. Antenna: Built in smart antenna, 2dBi gain 4. Interface: USB2. 0 5. Working frequency band: 2. 4GHz 6. Wireless frequency: WiFi: 2. 412~2. 484GHz; Bluetooth 4. 0: CHO 78 7. Wireless standard: IEEE802. 11b; IEEE802. 11g; IEEE802. 11n 8. Transmitting power: WiFi: 17dbm; BT: 10dbm 9. Transmission rate: WiFi: 11b: 1 2 5. 5 11Mbps; 11g6 9 12 18 24 36 48 54Mbps; 11n: 150Mbps, BT: 1Mbps for Basic Rate;
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 764 reviews
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Product Reviews
★★★★★ 5
Perfect fit and high quality.
Size: (Pack of 1)
Good product, not much to say. The product arrived quickly, looks to be of high quality construction, fit perfectly and took me only a couple of minutes to install. I love it when a product is no frills and delivers as advertised. I've used various filters from K&N before and have always had very good success with them so I will be buying more of these for sure when the time comes.
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Reviewed in the United States on November 9, 2025
★★★★★ 5
Better than most.
Size: (Pack of 1)
Looks good, perfect fit.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great Filter
Size: (Pack of 1)
This fits fine. Just wish it was a little easier to change.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
More power, slightly lower (8%) MPG.
Size: (Pack of 1)
Installed on a 2.0 liter Subaru Impreza.
I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph.
With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg.
Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
fits my 2013 chevy suburban 5.3 and appears to be high quality
Size: (Pack of 1)
fits my 2013 suburban perfectly. looks to be a well constructed unit.
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Reviewed in the United States on March 29, 2026
