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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
K&N Replacement Air Filter (33-2451)K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!- REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Very natural to use in hand. Easy setup.
Color: Lavender
I love this mouse! I wear a size small in women's gloves (USA). This fits perfectly in my hand. The shape is so natural and restful. The color a is a clear pastel purple, a lilac, but not too bright or overly soft. It is a little darker than my screen showed, as the picture appears to have a bright light and reflections.
Connectivity has been a breeze. No issues at all connecting to a Surface Pro 11. We'll see how it goes connecting to the 12 ...
Doesn't fit in the Smatree brand hard carrying case for laptops...too tall. But I am keeping it for home use anyway. Eve I though I have one of those surface pro lays flat mice coming.
Only time I needed a mousepad was one time when I tried to use it outside of my picnic table and there seemed to be little grit so I had to clean that off, and just I have a really loose really thin picnic table cover for the winter that I hadn't taken off yet and it did not like that. But it went on my tablecloth and my kitchen table. It worked on my kitchen counter. It worked on my office desk and it also worked on a mouse pad.
I have only used it for about 3 days. Sometimes I would remember to turn it off when I wasn't using it and overnight. Sometimes I didn't. Haven't had to recharge it yet.
Update: returned the refurb 11 and bought a new 12. my surface pro mouse came in. I paired it, used it for about fifteen minutes. turned it off. and paired this one. I had to cycle it through since it had been previously paired. This was no trouble at all and only a minute to do. it's too tall for some pockets, but my hand stopped hurting, so I'm going to try to use a separate storage case for accessories. it's radius for moving across the screen is helpfully small.
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Reviewed in the United States on March 19, 2026
★★★★★ 4
Great general purpose, inexpensive mouse.
Color: Grey
For the price, it’s an outstanding mouse. Have only used Bluetooth mode, and only used it for basic computer operations (not gaming), but feels responsive and comfortable. Great battery life.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
A great mouse for the price.
Color: Grey
This mouse is a great value and works well! It was extremely easy to connect to Bluetooth on my Microsoft Surface. I have also used it connected via the included dongle to my home PC.
The USB type C charge port is really appreciated to minimize the number of cables that need to be carried to charge everything. It lasts a great amount of time between charges.
My only minor complaint is that my large hands have a bit of difficulty holding it. I understand that it is a portable mouse intended to take on the go, so I didn't knock of anything for that.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
THE BEST MOUSE ON THE MARKET!
Color: Grey
absolutely amazing mouse considering all factors! it is set at a good price range, and gets you a lot of features. it’s very durable, the frame is solid, it is compatible with MANY computers, a nice sleek black matte color. furthermore there is no delay, keeps my hand upright and the material keeps your hand comfy. thanks!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Great mouse and best customer service ever!
Color: White
I bought this mouse a few months ago, and initially, I was quite happy with it. The design felt comfortable, and it worked smoothly right out of the box.
However, after a few months of use, I started facing an issue with the clicks. Sometimes a click wouldn’t register at all, and other times it would register as a double-click, which became pretty frustrating during regular use.
I decided to reach out to the company via email, and that’s where the experience really turned around. Their response was quick, the communication was crystal clear, and the whole process was smooth and hassle-free. Without much back-and-forth, they immediately sent me a replacement mouse.
I’ve been using the new mouse since then, and it has been working flawlessly with no issues at all.
Overall, while I did face a problem initially, the excellent customer support and the performance of the replacement have left me very satisfied. Highly recommend this mouse!
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Reviewed in the United States on April 14, 2026
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