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K&N 99-0621 4.9 out of 5 stars 17 Customer Reviews
Filter Cleaning Kits and Accessories > Power Kleen; Filter Cleaner - 32 oz Trigger Sprayer

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K&N part 99-0621 is a 32 ounce pump spray bottle of Power Kleen Air Filter Cleaner. K&N Power Kleen is the only cleaner recommended to clean K&N cotton air filter elements. K&N 99-0621 Air Filter Cleaner will loosen and remove built up dirt and grime from your K&N oiled cotton air filter so it can be washed clean with water. It is so good at cleaning greasy dirt and grime that it is also used as an industrial strength degreaser. After your K&N air filter dries re-oil it with K&N air filter oil (sold separately).

[More Info on Air Filter Cleaning Kits]
  • High performance cleaner and degreaser
  • The only cleaner designed specifically for K&N cotton filters
  • Pump spray bottle
  • Also removes grease from painted surfaces, chrome, plastic and more

Product Specifications

Part Number:99-0621
Product Box Height:11.75 in (298 mm)
Product Box Length:3.25 in (83 mm)
Product Box Width:3.25 in (83 mm)
Product Style:Accessories
Weight:2.4 lb (1.1 kg)

Product Reviews

 Best for cleaning all of your K&N filters. Can't buy it cheaper anywhere else either...
Chris, Cajun lans, Louisiana
 I have yet to use this, but I'm sure it is the same as what I ordered before.It does what its supposed to.
Jason, Virginia
 Does a fantastic quick job cleaning my K&N lifetime air filter. Buying the filter was one of the best purchases I've made. The cleaner appears to get everything clean after one dosing.
Bruce Armbruster, Texas
 This is a great product and was shipped to me very quickly. I have two vehicles with K&N filters.
Paul Wadley, Anaheim Hills, California
 Sprayed my filter, let the cleaner soak for five minutes, rinsed thoroughly. The filter is like new. Good product. Would highly reccomend.
Gene, New Jersey
 Always happy with K&N filters and filter cleaning/oiling products. Price is fair and shipping is fast. Previously purchased at store, but will be ordering in the future instead. Use them on our 2009 and 2010 Pontiac Vibes (2.4L). Vibe is a Toyota Matrix. All parts are interchangeable, except for the body and certain interior trim pieces. With your help, these two should see many miles. Thanks.
Robert Candler, Oklahoma
 Cleans everything and order shipped fast.
Jim Haddad, Vermont