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PLFC-6430 Spa Water Filter Replaces Watkins 31489, Filbur FC-3915
Spa Water Filter Replaces Watkins 31489, Filbur FC-3915
Spa Water Filter Replaces Watkins 31489, Filbur FC-3915
POOLPURE PLFC-6430 Spa Water Filter Replaces Watkins 31489, Filbur FC-3915 - Image 4
POOLPURE PLFC-6430 Spa Water Filter Replaces Watkins 31489, Filbur FC-3915 - Image 5
POOLPURE PLFC-6430 Spa Water Filter Replaces Watkins 31489, Filbur FC-3915 - Image 6

POOLPURE PLFC-6430 Spa Water Filter Replaces Watkins 31489, Filbur FC-3915

271 reviews

Price range: $49.99 through $105.99

Alternative model：

  • Watkins 31489
  • Pleatco PWK30
  • Filbur FC-3915
  • Unicel C-6430
  • Watkins 73178
  • Watkins 73250
  • Watkins 71825
  • P/N 0969601

PLFC-6430 provides direct replacement fit with no modification required.

Earn up to 11 points.
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Description

Compatible Part Numbers

Description of PLFC-6430

The PLFC-6430 is Poolpure’s self-developed spa filter, which is easy to install and maintain, making it a unique choice for spa owners. The PLFC-6430 is easily compatible with Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, 73178, P/N0969601, and other models, providing a long service life while ensuring efficient operation of water filtration. Specifications of PLFC-6430: Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft; Filter Material: Trilobal Filtration Fabric.

UPGRADED ECO‑FRIENDLY & BIODEGRADABLE DESIGN

POOLPURE PRO SPA filter made from eco-friendly PLA biodegradable material derived from renewable resources, this spa filter is designed to naturally break down within 3–6 months under composting conditions after disposal, helping reduce environmental impact while supporting sustainable spa maintenance. Engineered specifically for spa and hot tub systems, it features 30-micron precision filtration to effectively capture fine debris, body oils, and sediment, keeping water clean, clear, and properly balanced. Built for durability in high-temperature spa environments, it delivers a longer service life than standard cartridges, reducing maintenance frequency and lowering overall replacement costs.
Biodegradable Antimicrobial Pool Filter
Relaxed And Healthy Enjoyment

High Performance at a Low Cost

POOLPURE’s advanced trilobal filtration media delivers 21-40% more effective surface area than standard filters, providing greater filtration power at an unbeatable price. The specially designed fabric increases system efficiency, ensuring clear and refreshing water throughout your pool or spa. Thanks to our innovative “Dirt-Lock” technology, our filters excel at capturing debris like hair, leaves, dust, and sand, making your water cleaner than ever. Not only are they highly effective, but they’re also easy to clean and reusable, offering incredible value and long-term savings for your filtration needs.

Eco-Friendly Materials with Certification

The upgraded POOLPURE PRO filter delivers a noticeably longer lifespan with up to 18‑week cleaning cycles, giving you 50% more use compared to standard cartridges—meaning fewer replacements, less maintenance. At POOLPURE, we prioritize your safety by using premium, certified materials. Our filters are tested and certified by IAPMO against NSF/ANSI 50 standards. They are made from lead-free and BPA-free materials for your peace of mind. The high chlorine resistance of our reinforced end caps ensures durability, even when exposed to the harsh chemicals commonly found in pool and spa environments. With POOLPURE SPA filters, you can enjoy crystal-clear water, knowing that your health and safety are always protected
POL PLFC 6430 RG lifespan
spa bath scaled
Model
Antimicrobial Filter
✓
Length
10 1/2”
10 1/2”
Outside Diameter
5 7/8”
5 7/8”
Top Opening
1 15/16"
1 15/16"
Bottom Opening
1 15/16"
1 15/16"

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