The OnCore WSOC.RBW506B-12P spa filter, also known as OC-506B, is a high-quality replacement cartridge engineered to maintain clean, clear spa water. Designed for compatibility with select Rainbow®-style systems and equivalent models, this filter provides dependable filtration performance for everyday spa use.
Constructed with durable end caps, reinforced pleat bands, and a strong inner core, the OC-506B helps maintain proper pleat spacing and consistent water flow. The high-efficiency pleated media works to capture dirt, oils, and fine particles that can cloud water and impact system performance.
Routine filter replacement is essential for protecting pumps and heaters from debris buildup and ensuring optimal water circulation. The OnCore OC-506B cartridge is a dependable choice for maintaining water clarity and extending the life of your spa equipment.
| SKU | 13071 |
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- OnCore replacement spa cartridge filter WSOC.RBW506B-12P (OC-506B)
- Designed for select Rainbow® and Catalina spa systems
- High-efficiency pleated filtration media
- Durable urethane end caps for long-lasting performance
- Reinforced center core for structural strength
- Break-resistant support bands maintain pleat spacing
- Helps improve water clarity and system efficiency
- Easy installation for routine spa maintenance
- Proudly manufactured in the USA
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* Monthly payments not available on all spas and are that, estimations only. The estimated monthly payment amounts shown are based on the current finance programs or offers, specific model and options, consumer credit rating and approved financing through a Scioto Valley financing partner. Actual spa price, monthly payment and other terms are available only on approved credit and are subject to negotiation between you and your salesperson. Does not apply for any online purchases.
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