Replacement Cartridge Filter - 50 Sq. Ft. Hot Tub Filter Compatible with PRB50-IN, C-4950 & FC-2390

Keep your hot tub water clean and clear with this 50 Sq. Ft. Replacement Cartridge Filter, compatible with popular spa filter references PRB50-IN, C-4950, and FC-2390.

Designed for compatible hot tubs and spas, this replacement cartridge provides 50 square feet of filtration surface area to help capture dirt, debris, and suspended particles as water circulates through your spa's filtration system.

Regular filter maintenance is an essential part of keeping your hot tub water in good condition. Over time, filter cartridges can become clogged with oils, minerals, and other contaminants, reducing water flow and filtration performance.

Replacing a worn or damaged cartridge helps restore effective filtration and supports your regular spa water care routine.

This replacement filter is a practical choice for spa owners looking for a compatible alternative to existing PRB50-IN, C-4950, or FC-2390 filter cartridges.

Available at Splash Pool & Spa in Peterborough, Ontario, serving Peterborough, the Kawarthas, and hot tub owners across Canada.

Key Features

• 50 square feet of filtration surface area

• Replacement cartridge for compatible hot tubs and spas

• Cross-references PRB50-IN, C-4950, and FC-2390

• Pleated filtration design

• Helps capture dirt, debris, and suspended particles

• Supports cleaner, clearer spa water

• Suitable for routine filter replacement

• SKU: 4-55-M40506

Why Replace Your Hot Tub Filter?

A properly maintained filter is essential for effective hot tub circulation and water clarity.

Replacing an old or damaged cartridge can help:

• Improve filtration performance

• Reduce debris circulating through spa water

• Support proper water flow

• Complement regular spa sanitation

• Maintain a cleaner hot tub environment

How to Install & Maintain

1. Turn off your hot tub according to the manufacturer's instructions.

2. Remove the existing filter cartridge.

3. Compare its dimensions and end-cap configuration with the replacement.

4. Install the new cartridge securely in the filter housing.

5. Restart the spa and check for proper water circulation.

6. Rinse the cartridge regularly and deep-clean it as recommended by the spa manufacturer.

Compatibility Note: Always confirm the cartridge's dimensions, opening sizes, and end-cap design before purchasing. Matching a reference number alone does not guarantee compatibility with every spa model.