FOIRCEADAL Hot Tub Filter Cartridge PRB50-IN 50 sq ft, 2-Pack – NSF/ANSI 50 Certified, Drop-In Compatible

FOIRCEADAL PRB50-IN is a 50 square-foot replacement hot tub filter cartridge designed to fit Pleatco PRB50-IN and many equivalent models, delivering high-capacity debris capture and easy maintenance.

If your spa or hot tub needs a reliable, high-flow replacement filter, the FOIRCEADAL PRB50-IN 2-pack provides a durable, certified option built to match common OEM sizes. These cartridges measure 13 5/16" long with a 5" outside diameter and 2 1/8" openings top and bottom, offering 50 sq. ft. of pleated filtration material to trap hair, leaves, sediment and fine particles while maintaining circulation.

How does this filter match my existing Pleatco or Unicel cartridge?

The FOIRCEADAL PRB50-IN is engineered to the same outer dimensions and port measurements used by major OEM replacements, so installation is typically straightforward. It’s intended as a drop-in compatible option for many popular part numbers.

• Exact dimensions: 13 5/16" length, 5" outside diameter, 2 1/8" top/bottom openings.
• Compatible references: Pleatco PRB50-IN, Unicel C-4950, Filbur FC-2390 and listed equivalents.
• Pack of two cartridges for staged replacement or spare on hand.

What level of filtration and certification does the cartridge provide?

This cartridge uses NSF/ANSI 50-certified filter media, manufactured and tested to recognized spa and hot tub standards. The pleated PET composite fabric captures particles down to approximately 50 microns while supporting consistent water flow.

• NSF/ANSI 50 certification through IAPMO confirms safe filtration materials.
• Effective capture of hair, leaves, sand, dust and other fine debris.
• Large 50 sq. ft. surface area for longer run times between cleanings.

How long will the FOIRCEADAL filter last and how is it cleaned?

Longevity depends on spa usage and water conditions, but the heavy-duty end caps and reinforced center support extend service life compared with lower-quality replacements. Routine maintenance is simple: a thorough hose rinse and occasional cartridge cleaner will restore performance.

• Durable molded end caps resist cracking from handling and exposure.
• Reinforced core prevents collapse when water flow is high.
• Reusable design — rinse to remove debris; use specialty cleaners for deep cleaning.

Will swapping to this replacement affect my hot tub’s flow or heater performance?

The FOIRCEADAL PRB50-IN is manufactured to maintain appropriate flow characteristics for systems designed around the listed OEM cartridges. Using the correct sized filter helps avoid undue strain on pumps and heaters while preserving water cleanliness.

• 50 sq. ft. media balances filtration efficiency and flow rate.
• Proper fit reduces leaks and bypass that can impair circulation.
• Works as a direct replacement when matching the listed dimensions and part numbers.

Who is this for: This two-pack is aimed at hot tub and portable spa owners seeking a high-capacity, certified replacement that matches Pleatco, Unicel and Filbur reference parts. It’s also a practical choice for maintenance professionals and pool/spa retailers who need dependable, easy-to-install cartridges with verified material safety and robust construction. Choose FOIRCEADAL PRB50-IN when you want a durable, reusable filter that preserves system performance while offering the convenience of a common OEM fit.