Uni Filter Reusable High-Performance Air Filter for Beta (NU-3809ST)

Improve airbox filtration and engine protection with the UNI FILTER Beta NU-3809ST reusable air filter. Designed as a direct-fit replacement, this performance air filter installs in the stock airbox just like the original equipment filter, helping simplify installation while maintaining proper fit and sealing. Its washable, reusable construction provides a practical alternative to disposable filters for riders and powersports enthusiasts who demand dependable performance and long-term convenience.
The NU-3809ST features a two-stage air filter design that separates for maximum airflow and thorough cleaning. When service is needed, the filter can be cleaned easily with grease-cutting dishwashing detergent, then reused after proper drying and re-oiling according to the manufacturer’s recommendations. This serviceable design helps maintain consistent filtration and airflow through repeated maintenance cycles.
Feature: Two-stage construction separates for improved airflow and easier cleaning. Feature: Ultra Seal grease groove on the sealing surface helps support a secure, dirt-resistant fit. Feature: Washable and reusable design allows the filter to be cleaned and returned to service. Feature: Direct-fit replacement installs in the stock airbox like the OEM filter. Feature: Engineered for strong airflow, dirt filtration, and overall performance. Feature: Made in the USA. The UNI FILTER NU-3809ST combines durable construction, convenient maintenance, and reliable air filtration for compatible Beta applications.

Features:

• Two-stage construction separates for improved airflow and easier cleaning

• Ultra Seal grease groove on the sealing surface helps support a secure, dirt-resistant fit

• Washable and reusable design allows the filter to be cleaned and returned to service

• Direct-fit replacement installs in the stock airbox like the OEM filter

• Engineered for strong airflow, dirt filtration, and overall performance

• Made in the USA

Ships from Parts Unlimited.