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POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 1 Pack

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 1 Pack

Q: Are these filters washable?

Hello, Yes they are washable. We suggest to rinse your hot tub filters with clean water every week, this will help remove debris and protect your filter material. under regular washings, hot tub filters will work more efficiently and last longer.

Q: This is the same dimension as my oem filter, but why my oem filter listed at 50 sq.ft, while this filter is listed at 25 sq.ft?

Hello edward m, PLFPRB50-IN is 50 sq.ft. , while PLFPRB25-IN is 25 sq.ft. Both filters are in the same size. For PLFPRB50-IN, please refer to this link: https://www.amazon.com/dp/B07MTDB8KB, thank you!

Q: Is this replacement filter compatible with rainbow dynamic rtl-rcf 25qf?

Yes, PLFPRB25-IN will replace Rainbow Dynamic 25. To make sure it fits your spa, we suggest to measure your old filter then compare with the specification. A slightly variance is acceptable. The filter size: Width: 5" Height: 13 5/16" Top: Open 2 1/8" Bottom: Open 2 1/8" Sq Ft: 25 sq ft

Q: will this work on a sundance optima 850?

Dear customer, Thank you for your question, The filter you asked DOES NOT fit sundance optima 850.

Product ID: 142628826

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🌀25 sq.ft trilobal filtration area

📏13.3-inch length precision

🛡️NSF/ANSI 50 certified safety

Frequently Bought Together

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 1 Pack

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FROG @Ease Floating System for Hot Tubs - Quick & Easy Self-Regulating Hot Tub Sanitizer - Hot Tub Maintenance System with Sanitizing Minerals & SmartChlor Technology

Description

💧 Elevate your spa game with the filter that works as hard as you do!

BUILT TO OUTLAST - Heavy-duty polyester and reinforced core extend filter life by 30%+.
EFFORTLESS MAINTENANCE - Patented dirt-locking tech makes rinsing quick and thorough, saving time.
ULTRA FINE 50 MICRON FILTER - Captures 99% of fine particles like dust, hair, and leaves for longer-lasting clarity.
CERTIFIED SAFE FOR YOUR FAMILY - NSF/ANSI 50 tested to ensure no harmful substances in your spa water.
TRIPLE SURFACE FILTRATION POWER - Trilobal fabric offers 3x more dirt adsorption for crystal-clear water.

The POOLPURE PLFPRB25-IN is a high-performance hot tub filter featuring a 13.3-inch length and 25 sq.ft trilobal filtration fabric that triples dirt adsorption. Certified NSF/ANSI 50 for safety, it uses patented dirt-locking technology and a 50-micron fine filtration layer to capture 99% of fine particles, ensuring crystal-clear, healthy water. Built with durable polyester and reinforced components, it lasts 30% longer than standard filters, reducing maintenance and replacement frequency.

Have a Question? See What Others Asked

Are these filters washable?

This is the same dimension as my oem filter, but why my oem filter listed at 50 sq.ft, while this filter is listed at 25 sq.ft?

Is this replacement filter compatible with rainbow dynamic rtl-rcf 25qf?

will this work on a sundance optima 850?

Reviews

W**T

HIGH VALUE TO PERFORMANCE AND DURABILITY RATIO.

Hard to beat the value to performance ratio of this filter. I've used this particular filter on multiple bi-annual service and cleaning of our hot tub. The filter fits perfect and does it's job.

8.07.2025

L**5

Perfect fit & quality.

We are on our 5th time ordering these. Work great for our hot tub and good quality.

21.05.2025

M**.

Easy Choice

Good deal on these filters. Seem to last as long as premium brands, been buying these for a couple years now.

3.05.2025

S**N

A Very Good Filter

Filter works very Good!

24.06.2024

P**R

Hot tub filters

Good filters at a good price!

8.03.2025

M**M

Great product!

Filter quality:Love these!

27.06.2025

J**E

Filter size and fit as expected

Exact fit. Works as expected.

3.06.2025

J**Y

Works great

Works great. Spa water is now crystal clear

30.05.2025

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