HF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool Filters
HF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool Filters
HF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool Filters
HF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool Filters
HF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool Filters
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HF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool FiltersHF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool FiltersHF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool FiltersHF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool FiltersHF4637-01 Premium Spa Filter Cartridge - Replacement for Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series II & III RTL-25, Leisure Bay Spas by Hurricane Pool Filters

Hurricane HF4637-01 Premium Spa Filter Cartridge for Pleatco PRB37-IN

Hurricane Pool FiltersSKU: HF4637-01
Duckies Price:
$51.99 USD

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Shipping Information

At Duckies Pool Supply, we work hard to get your order to you as quickly as possible:

  • In Stock in Store: Ships within 24 hours of your order.
  • In Stock in Warehouse: Ships within 24 hours from the warehouse closest to you whenever possible.
  • Out-of-Stock Products: If an item is not currently available in our inventory, we will drop ship it directly from the manufacturer whenever possible.
  • Lead Times: Shipping times for out-of-stock or special-order products may vary and can take several additional business days, depending on manufacturer availability.

Our goal is to keep your pool running smoothly by getting your products to you as quickly as possible.

Description

Hurricane HF4637-01 Premium Spa Filter Cartridge

Drop-in replacement filter cartridge delivering 37 square feet of spa filtration for systems that require Pleatco PRB37-IN. Compatible with Pleatco PRB37-IN, Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37 (Series I–IV RTL-25), Leisure Bay Spas, Morgan Spas, and Waterway housings. Exclusive turquoise end caps signal Hurricane quality and USA-made construction.

  • Replacement compatibility: Replaces Pleatco PRB37-IN and cross references such as Unicel C-4637, Filbur FC-2380, Rainbow Dynamic 37, Series I–IV RTL-25.
  • Precise dimensions: Length 13.3125", outer diameter 4.9375", top/bottom holes 2.125".
  • Media performance: Premium point-bond filtration delivers tighter capture of biomass, dirt, hair, leaves, and debris than trilobal or nonwoven media.
  • Flow design: MAX FLOW core and turquoise end caps optimize water flow and ease of cleaning.
  • USA-made durability: Manufactured in the USA with domestic production and warehousing for longevity and consistent quality.
  • Cost efficiency: Longer life and easier cleaning reduce replacements and operating costs.

Final Thoughts: This drop-in HF4637-01 provides reliable spa filtration with proven cross-compatibility and durable, USA-made construction. Choose it for fewer filter changes and clean water—add to cart now.

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