Description
The K&N Filters RC-3680 Universal Air Filter is engineered for a wide range of applications, ensuring reliable air delivery for various equipment. This filter is constructed with ultra-strong molded pliable rubber flanges that absorb vibration, allowing for secure attachment and the flexibility to stretch for up to 1/16 of an inch (1.5mm) to accommodate different sizes.
Designed for efficiency, the K&N RC-3680 air filter is washable and reusable, making it an economical choice for maintaining optimal air flow. The filter’s unique design allows it to be used in diverse setups, providing a consistent performance. With its robust construction and adaptable features, this air filter is a dependable option for those seeking effective air and fuel delivery solutions.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Flanges absorb vibration for secure attachment
- Can stretch for up to 1/16 of an inch (1.5mm) to fit in-between sizes
- Washable and reusable for long-term use
- Designed for a wide variety of applications
Frequently Asked Questions
What is the part number for this air filter?
The part number is RC-3680.
Is this air filter washable?
Yes, the K&N RC-3680 air filter is washable and reusable.
What material is used for the flanges?
The flanges are made from ultra-strong molded pliable rubber.
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.













