TheFilbur FC-2390 FC-2390M Hot Tub Spa Filteris a compatible alternative pool and hot tub spa replacement for Rainbow / Pentair Dynamic 50, Pleatco PRB50 and Unicel C-4950 jacuzzi cartridges. SP-PS-2390 is designed to fit spas by Pentair / Rainbow, Waterway Plastics and Viking Spas.

Important Specifications:

• Diameter: 4 ” (4.9375″)
• Length: 13 ” (13.3125″)
• Top Hole: 2 ” (2.125″)
• Bottom Hole: 2 ” (2.125″)
• Top Style: Open
• Bottom Style: Open
• Media Area: 50 sq. ft.
• Weight: 3 oz.

Compatible Hot Tub Spa & Pool Filters:

• Aladdin 15002
• Baleen AK-3049
• Darlly 40506
• Excel Filters XLS-408
• Filbur FC-2370, FC-2380, FC-2392
• Filbur FC-2375, FC-2375M
• Filbur FC-2390, FC-2390M
• Harmsco H-4950
• Magnum RD50
• Pentair