TOREAD Spa Replacement Filter 2 Pack for PRB25-IN (25 Sq Ft) – Unicel C-4326 / Filbur FC-2370/2375 / Guardian 413-106 Compatible

Premium filtration you can trust

Discover the TOREAD Spa Replacement Filter, designed to fit a wide range of popular spa cartridges while delivering dependable filtration performance. As a proud member of the Pool & Hot Tub Alliance, TOREAD aligns with industry standards for filtration safety and reliability, helping you maintain clean, inviting water in your spa.

Why choose the TOREAD 2-pack for PRB25-IN

This replacement pair is built to support clear water and steady flow. The filter core uses a trilobal filtration fabric, which, when paired with reinforced end caps and a center support, contributes to durable operation even in chlorine-rich environments. A steady filtration cycle can make water feel crisper and more comfortable during use.

• Trusted quality from a PHTA member, reflecting alignment with filtration performance and safety standards.
• NSF/ANSI 50 certified materials, ensuring safe construction for routine spa use.
• Filtration area around 25 square feet with trilobal fabric designed for efficient debris capture.
• 25% thicker filtration fabric plus reinforced end caps and center support for stronger, more reliable filtration.
• Chlorine-resistant construction and high-flow performance that supports strong water circulation.
• Greater capacity compared with typical media, with the fabric engineered to trap hair, dust, and leaves more effectively.

Compatibility, specs, and real-world use

These filters are designed to replace PRB25-IN and fit related 5x13 drop-in models, including Unicel C-4326, Filbur FC-2370/FC-2375, and Guardian 413-106. The design emphasizes compatibility and ease of installation, so you can refresh spa filtration without hassle. In everyday use, you may notice easier maintenance, clearer water, and a more enjoyable soak as the system works to move water efficiently through the higher-capacity media.

• Length: about 13 5/16 inches; Outer diameter: 5 inches; Top/bottom openings: 2 1/8 inches.
• Filtration area: 25 square feet; Filter material: trilobal filtration fabric.
• Reinforced, durable construction to resist heavy chlorine exposure and daily spa use.
• Includes a two-pack for convenient replacement intervals and value.

Across millions of homes, this design aims to balance effective filtration with practical upkeep, offering a reliable option for regular spa care. While results vary by usage, users frequently report clearer water, reduced maintenance задач, and a smoother spa experience when maintenance schedules are kept up with quality filters like TOREAD.