Spa Filter Replacement for PRB50-IN, Unicel C-4950 & FC-2390 | 4-15/16" x 13-5/16" Hot Tub Cartridge

Keep your hot tub water clean, clear, and properly filtered with this 4-15/16" x 13-5/16" Spa Filter Cartridge Replacement, compatible with popular models including PRB50-IN, Unicel C-4950, Filbur FC-2390, and more.

Built with high-quality pleated filtration media, this hot tub filter cartridge effectively captures dirt, debris, oils, and fine particles while maintaining optimal water flow and system efficiency. It helps improve water clarity, reduce buildup, and lower overall chemical demand - making it an essential part of regular spa maintenance.

Whether you're replacing a worn filter or keeping a spare on hand, this cartridge delivers reliable, consistent performance for cleaner, healthier spa water.

Compatibility:
Compatible with filters including:
- PRB50-IN
- Unicel C-4950
- Filbur FC-2390
And more
Please confirm dimensions and connection type before purchasing to ensure proper fit.

Specifications:
Filter Type: Spa / Hot Tub Filter Cartridge
Length: 13-5/16"
Diameter: 4-15/16"
Application: Hot tub water filtration
Top: Open / Handle (confirm if known)
Bottom: Threaded / MPT (confirm if known)

Features:
✔️ Improves water clarity and filtration performance
✔️ Captures dirt, oils, and contaminants
✔️ Helps reduce chemical usage
✔️ Maintains proper water flow and system efficiency
✔️ Durable pleated media for long-lasting use

For best results, replace your spa filter:
- Every 12–24 months depending on usage
- When water flow is reduced
- When cleaning no longer restores performance

Keep your hot tub performing at its best with a reliable spa filter replacement, available now at Splash Pool & Spa - proudly serving Peterborough & the Kawarthas with expert advice and fast shipping across Canada.