Description
The K&N Filters RU-1900 Universal Air Filter is engineered for a wide array of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. This versatile air filter is designed to accommodate various angles and offset diameters of air intakes, ensuring a fit for many different setups.
Constructed with ultra-strong molded pliable rubber flanges, the RU-1900 absorbs vibration and allows for a secure attachment. These flanges can stretch for up to 1/16 of an inch (1.5mm), making it easier to fit in-between sizes. Additionally, this air filter is washable and reusable, offering a practical solution for maintaining airflow efficiency over time.
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
- Compatible with various air intake angles and offset diameters
Frequently Asked Questions
What is the design of the K&N Filters RU-1900?
The RU-1900 features ultra-strong molded pliable rubber flanges.
Can the K&N Filters RU-1900 be reused?
Yes, this air filter is washable and reusable.
How much can the flanges stretch?
The flanges can stretch for up to 1/16 of an inch (1.5mm).
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.














