K&N Air Filters for the O & K RH4
O & K RH4 Replacement Air Filters
Buy now from K&N's Online Store and get a 100% money back guarantee on any air filter for O & K models!
- Designed to Increase Horsepower and Acceleration in your O & K
- High Air Flow with Excellent Filtration
- Washable and Reusable
Get a K&N air filter. Help your O & K RH4 run better.
Upgrade your O & K RH4 today with a K&N air filter