Description
The K&N Filters RU-1720 Universal Air Filter is a versatile solution for air and fuel delivery needs. This air filter is designed and manufactured for a wide range of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. Its standout capability lies in its ultra-strong molded pliable rubber flanges, which absorb vibration and allow for secure attachment, making it suitable for various air intake angles and offset diameters.
This air filter is washable and reusable, ensuring longevity and sustainability. The K&N RU-1720 is engineered to be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes, providing flexibility for different setups. The filter’s construction allows for easy maintenance, making it an efficient choice for those who require reliable air filtration. With its robust design, this filter can handle demanding conditions while maintaining optimal airflow.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Washable and reusable for long-term use
- Can be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes
- Designed for a wide variety of applications
Frequently Asked Questions
What is the K&N Filters RU-1720 air filter made of?
The filter features ultra-strong molded pliable rubber flanges.
Can the K&N RU-1720 air filter be reused?
Yes, it is washable and reusable.
What is the maximum stretch capability of this filter?
The filter can be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes.
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.
















