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The K&N Engineering 99-0621 Power Kleen Air Filter Cleaner is a highly effective solution designed specifically for cleaning K&N cotton air filters. This 32-ounce trigger spray bottle ensures easy application and thorough coverage, helping to loosen and remove built-up dirt, grease, and grime from your oiled cotton filter elements. Proper cleaning is essential to maintain optimal airflow and filtration performance, and K&N Power Kleen's industrial-strength formulation makes this task straightforward and efficient. It is uniquely formulated for K&N filters, dissolving old filter oil and dirt so they can be washed away with water, restoring your filter's efficiency and longevity. After cleaning and drying, re-oil your filter with K&N air filter oil (sold separately) to ensure the best filtration results. This cleaner is not only suitable for automotive use but is also recognized for its powerful degreasing properties, making it effective in industrial cleaning applications. Each bottle includes comprehensive instructions to guide you through the cleaning process, ensuring proper maintenance of your air filtration system. As a prop 65 compliant product, it meets safety standards for handling and usage. The cleaner is compact and easy to store, making it a practical addition to your vehicle maintenance kit. Regular use of K&N Power Kleen will help extend the life of your air filters, improve engine performance, and maintain the quality of air intake systems across various automotive applications.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
