This high-quality compatible spa and pool filter cartridge replaces Pleatco PLBS75, Unicel C-5374, and Filbur FC-2971 models. It provides excellent filtration efficiency, capturing fine debris and contaminants to maintain clear, clean, and healthy water in your spa or hot tub.

Specifications:

• Filter brand: Pleatco
• Cross-references: Unicel C-5374, Filbur FC-2971
• Diameter: 5 5/16"
• Length: 14 13/16"
• Top open hole: 2 1/8"
• Bottom open hole: 2 1/8"
• Filter area: 75 sq. feet
• Part no. PLBS75

** LIQUIDATION ** UNTIL QUANTITY LASTS

To offer the most competitive pricing, a compatible generic filter may be substituted at our discretion.

Returns & installation: Confirm your spa's filter housing dimensions before ordering, as filter cartridges are non-returnable once installed. Installation is a simple hand-tightened swap — no tools required.

FAQ

Q: How often should I replace this filter?
A: Most owners replace pleated cartridge filters every 12–18 months, or sooner with heavy use or visible wear.

Q: Is a generic equivalent the same quality?
A: Any substituted generic filter is chosen to match the OEM's dimensions for equivalent performance.