Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
K&N Replacement Air Filter (33-5123)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!- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 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
- 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)
- 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)
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
- 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
- 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
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
4.8 ★★★★★
Based on 2261 reviews
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Product Reviews
★★★★★ 4
none
Color: Blue
after 4 orders of the wrong size these finally fit
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Reviewed in the United States on November 12, 2025
★★★★★ 1
Not again
Color: Pink
Doesn’t fit the brush it said it would
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Perfect for whitening!
This Puur Smile whitening kit is now a must have in my home ! I always wanted to have whiter teeth but going to a dentist is too expensive. I decided to buy this kit to try it out and I am very happy with my results ! The kit is very easy to use and you have a manual. I love that the Puur Smile led device has 2 modes , for sensitive and extra sensitive teeth . It does not irritate my teeth and gums . You don't have to hold it on for long , 10-15 minutes per session is enough. After using it I noticed significant improvement of my teeth color , it is whiter and I am looking forward to making it even better with future sessions.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Very good
I really liked this teeth whitening kit. It comes very complete with an LED light, whitening gel pens, and a shade guide to track your progress. The instructions are easy to follow, and the design is practical and comfortable to use. After several uses, I noticed my teeth looked a bit brighter and cleaner. I also like that the device is rechargeable, which makes it convenient and easy to use anywhere. Overall, it’s a great option for at-home teeth whitening.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Must have!
I am honestly blown away by the Puur Smile Teeth Whitening Kit — it’s become a must-have in my self-care routine! From the moment I started using it, I noticed a visible difference in the brightness of my teeth. Even stubborn stains from coffee and wine have faded noticeably after just a few sessions.
The kit is super easy to use, and the instructions are clear and straightforward — no fuss, no mess. I love that it doesn’t cause sensitivity like other whitening products I’ve tried in the past. The LED light feels gentle, and the gel goes on smoothly without irritation.
My smile looks brighter, cleaner, and more confident — and I’ve already gotten compliments from friends and coworkers! The results feel professional quality but at a fraction of the cost.
If you’re looking for a reliable, effective, and gentle whitening system, this kit is a total winner. Highly recommend! 😁✨
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Reviewed in the United States on March 2, 2026