Unicel 5CH-37 Hot Tub Spa Filter by SpiroPure

  • SP-PS-2402

  • 5 stars
  • (1)
List Price $57.82

Our Price: $28.91

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  • Product Overview
  • Reviews

SpiroPure SP-PS-2402 is a compatible alternative pool and hot tub spa replacement for Watkins Aquaterra 303279 / 78460, Pleatco PFF42TC-P4, Unicel 5CH-37, and Filbur FC-2402 hot tub filter cartridges. SP-PS-2402 is designed to fit pools by Watkins, including Aquaterra Spas, Lifesmart Spas, FreeFlow Spas, and more.

Important Specifications:
  • Diameter: 5-3/8" (5.375")
  • Length: 9-1/2" (9.5")
  • Top Hole: Closed
  • Bottom Hole: 1-1/2"
  • Top Style: String Handle
  • Bottom Style: MPT
  • Media Area: 40 sqft
  • Weight: 3 oz
Compatible Filter Model/Part Numbers:
  • Aquaterra 303279
  • Aquaterra 78460
  • Filbur FC-2402
  • FreeFlow 303279
  • FreeFlow 78460
  • Hot Springs 303279
  • Lifesmart 303279
  • Lifesmart 78460
  • Lifesmart ACT-50SQFLTR
  • Pleatco PFF42TC-P4
  • Pure N Clean PC-2402
  • SD-01322
  • Unicel 5CH-37
  • Watkins 303279
  • Watkins 78460
  • Watkins ACT-50SQFLTR
  • Watkins LSX1057
  • 37.5 sq.ft. Aquaterra Spa
Compatible Hot Tub Spa & Pool Brands:
  • Aquaterra Spas
  • Fantasy Spas
  • Freedom Spas
  • FreeFlow Spas
  • Hot Springs Spas
  • Lifesmart Spas
  • Watkins

0 out of 0 people found this review helpful.
5.0 Stars

Fast Service

By Female from Valley Grande, AL on 6/23/2026 7:52:35AM

Biggest plus - MADE IN THE USA. This hot tub filter was either not in stock, was going to take too long to arrive or shipping costs were crazy. This is was in stock, on sale and FREE shipping. I guess I know where I;m buying my filter from now on!

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