Grefilt hot tub filter compatible with Pleatco PRB35-IN for clean spa water
Grefilt hot tub filter compatible with Guardian 409-219 for reliable filtration
Grefilt spa filter compatible with Filbur FC-2385 for clearer water
Grefilt filter for Unicel C-4335 promotes strong filtration and easy cleaning
Grefilt hot tub filter with PP core for durable performance
Grefilt easy-to-install spa filter kit for quick setup
Grefilt spa filter featuring corrosion-resistant end caps for longevity

Grefilt

Grefilt Hot Tub Filter 35 sq ft – 2-Pack, Compatible with Pleatco PRB35-IN, Guardian 409-219, Filbur FC-2385 & More

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

$39.98

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Why customers choose PatioZora Garden

Premium hot tub filter replacement for clearer spa water

Refresh your spa experience with the Grefilt 35 sq ft hot tub filter set. This 2-pack is engineered as a precise, compatible spare part to fit a broad range of popular models. With regular use, you may notice easier maintenance, reduced buildup on impellers, and consistently cleaner water, helping your soak feel inviting after a long day. The filters are designed to work quietly in the cabinet, letting you enjoy a calm, bubble-filled session without second thoughts about water quality.

In real-life use, a well-maintained filter helps reduce visible impurities and maintains balanced flow, contributing to a calmer, more enjoyable spa session. The 35 sq ft filtration area provides ample surface to capture debris, oils, and particulates that can color the water over time. When paired with a regular cleaning routine, you might extend the time between full cartridge replacements and keep your spa logs in good shape.

Key specifications

  • Length: 9 1/4 inches; Outside Diameter: 5 inches
  • Top Opening: 2 1/8 inches; Bottom Opening: 2 1/8 inches
  • Filtration Area: 35 sq ft; Core: PP Core
  • Package Quantity: 2 Filters

Designed for compatibility

These filters are designed as compatible replacements for widely used models, including Pleatco PRB35-IN, Guardian 409-219, Filbur FC-2385, Unicel C-4335, Aladdin 13501, SD-00198, Rainbow Dynamic 35, Waterway 35 In-line, and more. Note: manufacturer names and part numbers are referenced for compatibility purposes only; Grefilt is an independent brand.

Quality and safety

  • NSF-certified filter media supports safer filtration and peace of mind
  • Carefully selected materials aimed at reliable, consistent filtration performance

Maintenance and durability

Installation is straightforward—no special tools required. Clean the filters every two weeks for optimum performance, and rinse thoroughly between uses. The end caps are corrosion-resistant, and the reinforced polyester fiber construction supports long-lasting life even in humid spa environments.

What you get

A two-pack of high-capacity filters ready to refresh your spa filtration routine, with a focus on dependable filtration and straightforward upkeep.

FAQ

Q: What models is the Grefilt hot tub filter compatible with?

A: Compatible spare part for Pleatco PRB35-IN, Guardian 409-219, Filbur FC-2385, Unicel C-4335, and more.

Q: How should I maintain the filters?

A: Rinse and clean every two weeks; no special tools needed; check end caps and core for best results.

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