Description
The K&N Filters RU-4250 is a versatile universal air filter designed for a multitude of applications. This air filter features ultra-strong molded pliable rubber flanges that absorb vibration, ensuring a secure attachment. The flanges can also be stretched for up to 1/16 of an inch (1.5mm), allowing for a snug fit in varying sizes.
One of the standout capabilities of the RU-4250 is its washable and reusable design, making it an economical choice for those who seek longevity in their air filtration solutions. This air filter is crafted to provide reliable performance, ensuring that your engine receives clean air for optimal operation. With its robust construction and flexibility, the K&N Filters RU-4250 is an excellent addition to any setup requiring efficient air delivery.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Flanges can stretch for up to 1/16 of an inch (1.5mm)
- Washable and reusable design
- Designed for a wide variety of applications
Frequently Asked Questions
What is the construction material of the K&N Filters RU-4250?
The filter features ultra-strong molded pliable rubber flanges.
Can the K&N Filters RU-4250 be reused?
Yes, this air filter is washable and reusable.
What is the benefit of the pliable rubber flanges?
The flanges absorb vibration and allow for secure attachment.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.








