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HYDROTOOLS Premium 50 SQ FT Cartridge Filter Element for Pool and Spa

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$80.99
Sep 13 · Macy's
Best price
$80.99
−0% vs high
14-day high
$80.99
All stores
$81$81$81
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $80.99 at Macy's. Highest: $80.99. Current best is 0% below the 14-day high.

About this product

The Swimline HYDROTOOLS Premium 50 SQ FT Cartridge Filter Element is a high-performance replacement filter designed for pools and spas. It features 50 square feet of dense filtration material with 50-micron precision, capturing fine debris like hair, leaves, dust, and sand. Its revolutionary fiber construction evenly distributes trapped particles for quick rinsing and reduced backwashing. The durable, chlorine-resistant end caps and double-reinforced frame withstand high pressure, reducing strain on the pump. Compatible with Hayward, Pentair, Unicel, Filbur, and Waterway systems, this cartridge ensures consistent water clarity and improved circulation. Easy to maintain and built for long-term use, it enhances overall pool performance.

  • 50 sq ft filtration area
  • 50-micron particle capture
  • chlorine-resistant end caps
  • compatible with Hayward, Pentair
  • easy to rinse and maintain
  • double-reinforced frame

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HYDROTOOLS Premium 50 SQ FT Cartridge Filter — Price History