TheFilbur FC-2385 FC-2385M Hot Tub Spa Filter is a compatible alternative pool and hot tub spa replacement for Thermo Spas FL1008, Filbur FC-2385, Pleatco PRB35-IN, and Unicel C-4335 cartridges. SP-PS-2385 is designed to fit spas and pools by Thermo Spas, Caldera Spas, Sundance Spas, Pentair Pool Products – Rainbow Plastics, Waterway Plastics, and many more.

Important Specifications:

• Diameter: 4 ” (4.9375″)
• Length: 9 ” (9.25″)
• Top Hole: 2 ” (2.125″)
• Bottom Hole: 2 1/8″ (2.125″)
• Top Style: Open
• Bottom Style: Open
• Media Area: 35 sq. ft.
• Weight: 3 oz.

Compatible Hot Tub Spa & Pool Filters:

• Aber Hot Tubs 03FIL1300
• Aladdin 13501
• Baleen AK-3015
• Caldera Spas 74148
• Custom Molded Products 25393
• Darlly 40353
• Excel Filters XLS-418