The Filbur FC-3960 FC-3960M Filter is a compatible alternative pool and hot tub spa replacement for Hot Springs Spas 31114, Pleatco PWK65, and Unicel C-8465 jacuzzi cartridges. SP-PS-3960 is designed to fit spas by Hot Springs Spas, Watkins Mfg. and Tiger River Spas.

Important Specifications:

• Diameter: 8 ½" (8.5")
• Length: 10 ½" (10.5")
• Top Hole: 3"
• Bottom Hole: 3"
• Top Style: Open
• Bottom Style: Open
• Media Area: 65 sq. ft.
• Weight: 3 oz.
  
  

Compatible Hot Tub Spa & Pool Filters:

• Aladdin 16506
• Baleen AK-7007
• Darlly 80651
• Excel Filters XLS-810
• Filbur FC-3960, FC-3960M
• Magnum HS65
• Pleatco PWK65, PWK65-M
• Pleatco PWK45N
• Pure N Clean PC-3960
• SD-00541, 01048
• SpiroPure SP-PS-3960
• Unicel C-8465, C-8465RA
• OEM 31114, 71827
• OEM 71828
• 65 Square Foot Hot Springs Spas / Watkins Mfg.
  
  

Compatible Hot Tub Spa & Pool Brands:

• Caldera Spas
• Hot Springs Spas
• Tiger River Spas
• Watkins Manufacturing