Description
The K&N Filters RU-3250 Universal Air Filter is a versatile solution for various applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. This air filter is designed to accommodate different angles and offset diameters, ensuring a proper fit for your equipment.
Constructed with ultra-strong molded pliable rubber flanges, the RU-3250 absorbs vibration while providing a secure attachment. These flanges can be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes, making installation straightforward. Additionally, this air filter is washable and reusable, allowing for easy maintenance and long-term use. The K&N Filters RU-3250 is an excellent choice for those seeking a reliable air filter solution.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Flanges can stretch for up to 1/16 of an inch (1.5mm)
- Designed for various applications including racing vehicles and generators
- Washable and reusable for easy maintenance
Frequently Asked Questions
What is the K&N Filters RU-3250 made of?
The filter features ultra-strong molded pliable rubber flanges.
How does the flange design benefit installation?
The flanges absorb vibration and can stretch to fit in-between sizes.
Can the K&N Filters RU-3250 be reused?
Yes, this air filter is washable and reusable.
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.















