Grefilt PWK35B hot tub filter outer caps for durability and easy handling
Grefilt PWK35B filter core reinforced for reliable filtration
Grefilt PWK35B compatibility list including Hot Springs Limelight models
Grefilt PWK35B NSF-certified filter media for spa safety
Grefilt PWK35B easy-install design with secure seal
Grefilt PWK35B two-pack ready for replacements
Grefilt PWK35B easy cleaning and maintenance routine

Grefilt

Grefilt PWK35B Hot Tub Filter 35 sq ft - 2-Pack, Compatible with Hot Springs Limelight & More

High-performance patio lawn and garden made for confident daily results

$61.89

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Why customers choose PatioZora Garden

Overview

The Grefilt PWK35B hot tub filter is designed to help you maintain clear spa water with less hassle. This 2-pack delivers a robust filtration solution crafted for reliability, featuring a 35 square feet filtration area and a compact 14 1/8" length. The cartridge construction emphasizes durable housing and efficient media to support your daily spa routine, whether you’re warming up after a long day or sharing a weekend soak with family and friends.

Key specifications

  • Length: 14 1/8"
  • Outside Diameter: 6 3/8"
  • Top: 2"
  • Bottom: 2"
  • Filtration Area: 35 sq.ft.
  • Core: PP Core
  • Package Quantity: 2 Filters

Perfect fit and compatibility

The PWK35B is engineered to precisely replace or pair with popular models, including Hot Springs Limelight series, Watkins 1642301-1 and 78161, as well as Pleatco PWK35B and Filbur FC-3921. Note: this is a compatible spare part and the referenced brand names are used for comparison purposes only.

Materials, safety, and cleaning

  • NSF-certified filter media for safe filtration standards.
  • Corrosion-resistant end caps and reinforced polyester fiber for long-lasting use.
  • Easy maintenance: no special tools required for installation; rinse or wash every 2 weeks for best results.

Durability and long-term value

  • Rugged design meant to withstand the spa environment and frequent maintenance cycles.
  • Two filters per package minimize downtime between replacements and simplify routine care.

Real-world use and scenarios

Whether you’re refreshing spa water mid-season or planning ahead for routine maintenance, the PWK35B two-pack provides flexibility and convenience. Expect easier swaps, consistent filtration, and a smoother overall spa experience without overpromising results.

What you get

  • 2 x PWK35B compatible hot tub filters
  • Built-in durability for ongoing spa enjoyment

Choosing Grefilt means selecting a compatible, well-built filter option designed to support your spa routine with dependable filtration and simple upkeep.

FAQ

Q: Which models does the Grefilt PWK35B filter fit?

A: Compatible with Hot Springs Limelight series, Watkins 1642301-1, 78161, 78286, Pleatco PWK35B, and Filbur FC-3921.

Q: How should I maintain the PWK35B filters?

A: Rinse or wash every two weeks and allow to dry before reuse; keep the second filter on hand for easy replacements.

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