[Lifetime Warranty] FC-2402 303279 Hot Tub Spa Filter - Replaces 78460, PFF42TC-P4, ACT-50SQFLTR, AK4301, LSX1057, SD-01322 Lifesmart, Freeflow, AquaTerra, Hydromaster, Grandmaster, Simplicity, Watkins - Pack of 2

FC-2402 / 303279 Pool & Spa Filter

Key Features

• Length: 9 3/8 in.
• Outer Diameter: 5 1/4 in.
• Antimicrobial filter media inhibits odor-causing bacterial growth on pleats.
• Durable end caps and a reinforced inner core for structural integrity and optimal water flow.
• High-count pleat design for increased filtration capacity.

Replaces / Cross-Reference Part Numbers

• 303279
• 78460
• 5CH-37
• FC-2402
• FC-2402M
• PFF42TC-P4
• SP-PS-2402
• FF-2402

Compatibility & Fitment

• Designed for spas manufactured by Watkins.
• Fits specific models from brands including Aquaterra, Lifesmart, Fantasy, Freeflow, Simplicity, Bermuda, Aspire, and Azure.

When to Replace

• When water flow is noticeably reduced or pump pressure increases.
• If end caps are cracked or pleats are torn, collapsed, or permanently discolored.
• When the filter remains dirty or causes cloudy water after a thorough cleaning.
• Recommended replacement every 12-24 months, depending on bather load and usage.

Installation Tips

• Turn off all power to the spa pump before beginning.
• Unscrew the filter housing lid and remove the old filter cartridge.
• Clean any debris from the filter housing and threads.
• Install the new filter, hand-tightening until it is snug. Do not over-tighten.
• Secure the housing lid, restore power, and prime the pump according to your spa's instructions.