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K&N E-4425 5.0 out of 5 stars 1 Customer Review
Replacement Filters > Replacement Industrial Air Filter

List Price: $51.87
Your Price: $34.99

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The K&N E-4425 is a synthetic oil-free replacement air filter manufactured to provide exceptional filtration to your small engine or light industrial equipment. This air filter reduces restriction allowing the engine to breathe more efficiently. It is reusable, so it can be washed with K&N synthetic air filter cleaner then reinstalled to use again. It is the last air filter you will have to buy. K&N E-4425 air filter fits some Onan welders, and other applications.

[More Information on Small Engine & Light Industrial Air Filters]
  • Washable and reusable
  • Designed for industrial and small engine applications
  • High air flow with excellent filtration
  • Ease of maintenance
  • Lifetime Limited Warranty

Product Specifications

Air Filter Shape:Round
Filter Material:Non-woven Synthetic
Height:2.188 in (56 mm)
Inner Wire:No
Inside Diameter:6.375 in (162 mm)
Outside Diameter:7.75 in (197 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:E-4425
Product Box Height:7.75 in (197 mm)
Product Box Length:7.75 in (197 mm)
Product Box Width:4.13 in (105 mm)
Product Style:Round Air Filter
Top Material/Finish:None
Top Style:Open
Weight:0.95 lb (0.43 kg)

Product Reviews

 After years of throwing away OEM filters twice a year I now have a better filter that will last for many, many years and allow me to clean it providing better airflow to the engine. K&N quality is second to none with perfect fit. Money spent on K&N products is an excellent investment in increasing the performance, longevity and owner experience of whatever product it is installed in. Thank You K&N! Five stars simply because no more were offered!
Ernie Canelli III, Fairfield, Maine