The OnCore WSOC.FFL509A-6P spa filter, also known as OC-509A, is a high-quality replacement cartridge engineered to help maintain clean and balanced spa water. Designed for compatibility with select spa models, this filter supports proper water circulation while effectively capturing dirt, oils, and fine particles.
Built with durable end caps, reinforced pleat support bands, and a strong internal core, the OC-509A is designed for long-lasting structural integrity. Its high-efficiency pleated filtration media maximizes surface area for improved debris removal and consistent flow performance.
Regular filter replacement is essential for protecting spa pumps and heaters from buildup and maintaining optimal system operation. The OnCore OC-509A cartridge provides dependable filtration performance for routine spa maintenance and long-term water clarity.
| SKU | 12553 |
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- OnCore replacement spa cartridge filter WSOC.FFL509A-6P (OC-509A)
- Designed for compatibility with select spa systems
- High-efficiency pleated filtration media
- Durable urethane end caps for extended service life
- Reinforced center core for added strength
- Break-resistant support bands maintain pleat spacing
- Supports improved water clarity and circulation
- Easy installation for routine spa maintenance
- Proudly manufactured in the USA
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