Rank Product Name Score
1 POOLPURE PRB25-IN-M Spa Filter Replaces Unicel C-4326RA, Guardian 413-106, Filbur FC-2375M, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Spa Filter, 2 Pack POOLPURE PRB25-IN-M Spa Filter Replaces Unicel C-4326RA, Guardian 413-106, Filbur FC-2375M, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Spa Filter, 2 Pack
poolpure
9.6 GET ON AMAZON
2 POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack
poolpure
9.3 GET ON AMAZON
3 Cryspool PRB25-IN Spa Filter Replaces Unicel C-4326 Hot Tub Filter, Filbur FC-2375, 3005845, R172327, R173429, 33521, 25392, 817-2500,5X13 Spa Filter 25 sq.ft,2pack Cryspool PRB25-IN Spa Filter Replaces Unicel C-4326 Hot Tub Filter, Filbur FC-2375, 3005845, R172327, R173429, 33521, 25392, 817-2500,5X13 Spa Filter 25 sq.ft,2pack
Cryspool
9.2 GET ON AMAZON
4 Future Way Hot Tub Filter Compatible with Pleatco PRB25-IN Spa Filter, Unicel C-4326, Filbur FC-2375, Guardian 413-106, Easy to Clean, 25sq. ft, 3-Pack Future Way Hot Tub Filter Compatible with Pleatco PRB25-IN Spa Filter, Unicel C-4326, Filbur FC-2375, Guardian 413-106, Easy to Clean, 25sq. ft, 3-Pack
Future Way
8.9 GET ON AMAZON
5 Pool/Spa Filter Cartridge Pleatco PRB25-IN Replaces Unicel C-4326/Filbur FC-2375/Rainbow Dynamic 25 Pool/Spa Filter Cartridge Pleatco PRB25-IN Replaces Unicel C-4326/Filbur FC-2375/Rainbow Dynamic 25
Pleatco LLC
8.6 GET ON AMAZON
6 TOREAD Replacement for Spa Filter PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 1 Pack TOREAD Replacement for Spa Filter PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 1 Pack
toread
8.5 GET ON AMAZON
7 TOREAD Spa Replacement Filter for Pleatco PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 2 Pack TOREAD Spa Replacement Filter for Pleatco PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 2 Pack
toread
8.3 GET ON AMAZON
8 Malaka 200102 Replacement Filter for PRB25-IN hot tubs Compatible Filter Cartridge Malaka 200102 Replacement Filter for PRB25-IN hot tubs Compatible Filter Cartridge
Fedoo
8.0 GET ON AMAZON
9 ZOTEE PRB25-IN Spa Filter Cartridge Compatible with C-4326,Guardian 413-106,Filbur FC-2375,Pentair R173429,3005845,17-2327,100586,33521,25392,817-2500,Hot Springs Spa Filters,1 Pack ZOTEE PRB25-IN Spa Filter Cartridge Compatible with C-4326,Guardian 413-106,Filbur FC-2375,Pentair R173429,3005845,17-2327,100586,33521,25392,817-2500,Hot Springs Spa Filters,1 Pack
7.8 GET ON AMAZON
10 Pleatco PRB25-IN Swimming Pool Filter Cartridge C-4326 FC-2375 C4326 (2 Pack) Pleatco PRB25-IN Swimming Pool Filter Cartridge C-4326 FC-2375 C4326 (2 Pack)
Pleatco
7.4 GET ON AMAZON

POOLPURE PRB25-IN-M Spa Filter Replaces Unicel C-4326RA, Guardian 413-106, Filbur FC-2375M, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Spa Filter, 2 Pack

POOLPURE PRB25-IN-M Spa Filter Replaces Unicel C-4326RA, Guardian 413-106, Filbur FC-2375M, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Spa Filter, 2 Pack

    Features:

  • 【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers better filtering capacity, healthier water, and an awesome swimming experience that you and your loved ones truly deserve.
  • 【Antimicrobial Filtration Fabric】 This filter Fabric is infused with an antimicrobial blending material, which can inhibit the growth of dangerous microbes and provide continuous, durable and effective added protection for the lifetime of the product ensuring the health, safety and well being of your family.
  • 【Longer Service Life】Antimicrobial filter cartridges can extend the lifespan of the cartridge and enhance the filtering capacity and quality. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed.
  • 【Replacement Models】Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open. PLFPRB25-IN-M filter compatible PRB25-IN-M, Unicel C-4326RA, SD-00196, 303909, M-4326, 8172500, R173429, 100586. NOTE: This is a compatible spare part and the manufacturers’ names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.
  • 【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack

    Features:

  • 【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique SPA time.
  • 【Replacement Models】Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open. PLFPRB25-IN filter compatible Pleatco PRB25-IN, Unicel C-4326, Filbur FC-2375, SD-00196, 303909, M-4326, 8172500, R173429. NOTE: This is a compatible spare part and the manufacturers’ names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.
  • 【Easy Cleaning】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa’s performance.
  • 【Powerful Filtration Performance】 Innovated “Dirt-Locking” technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your spa and hot tub.
  • 【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed. We are committed to providing the best quality at good price.

Cryspool PRB25-IN Spa Filter Replaces Unicel C-4326 Hot Tub Filter, Filbur FC-2375, 3005845, R172327, R173429, 33521, 25392, 817-2500,5X13 Spa Filter 25 sq.ft,2pack

Cryspool PRB25-IN Spa Filter Replaces Unicel C-4326 Hot Tub Filter, Filbur FC-2375, 3005845, R172327, R173429, 33521, 25392, 817-2500,5X13 Spa Filter 25 sq.ft,2pack

    Features:

  • SIZE: Length 13 5/16” ;Out diameter 5” ;Bottom hole 2-1/8” ;Top hole 2-1/18”;Filtration Area: 25 sq. ft.
  • QUALIFIED MATERIAL: The advanced material of trilbal fibers is utilized. Cutting-edge technologies make the capacity higher than common point-bond fabric. It makes water filtration more thoroughly and service life longer.
  • REPLACEMENT MODELS: Unicel C-4326, FC-2375 , PRB25-IN,303909, M-4326, 8172500, R173429,5X13 Drop in hot tub filter,Note: this is a compatible spare part. The manufacturer’s name and part number have been used for reference purposes only. CRYSPOOL is an independent brand.
  • EASY TO CLEAN: The Improved Trilobal Fabric Structure filter material enables the deep penetration of impurities into filter pleats when we wash it, the filter is like a brand-new one after cleaning.
  • QUALITY GUARANTEE: Six-Months Return Policy Guaranteed if the products are with any quality shortages! We attach great importance to all customer’s perfect experience of our products. And we are equipped with professional customer service to provide technical support for every customer.

Future Way Hot Tub Filter Compatible with Pleatco PRB25-IN Spa Filter, Unicel C-4326, Filbur FC-2375, Guardian 413-106, Easy to Clean, 25sq. ft, 3-Pack

Future Way Hot Tub Filter Compatible with Pleatco PRB25-IN Spa Filter, Unicel C-4326, Filbur FC-2375, Guardian 413-106, Easy to Clean, 25sq. ft, 3-Pack

    Features:

  • 【Perfect Fit】 Compatible with Pleatco PRB25-IN, PDC25-AFS, Unicel C-4326, Filbur FC-2375, Guardian 413-106, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500 and more.
  • 【Dimension】 With an outer diameter of 5″, inner diameter of 2-1/8″ and a height of 13-5/16″, definitely compatible with your filter perfectly.
  • 【Long Lasting】 Reusable just by hosing the sediment off, cost efficient.
  • 【Powerful Filtration】 Made of advanced trilobal fabric, effectively collecting large amount of debris or other contaminants, getting the water clean and run smoother.
  • 【Note】 In order to avoid corrosion, we suggest taking the filter out before cleaning with disinfectant.

Pool/Spa Filter Cartridge Pleatco PRB25-IN Replaces Unicel C-4326/Filbur FC-2375/Rainbow Dynamic 25

Pool/Spa Filter Cartridge Pleatco PRB25-IN Replaces Unicel C-4326/Filbur FC-2375/Rainbow Dynamic 25

    Features:

  • Pleatco Pure Premium Pool & Spa Filter Cartridges
  • Cleaner water,less energy, Longer life.
  • Replaces Unicel C-4326/Filbur FC-2375/Rainbow Dynamic 25

TOREAD Replacement for Spa Filter PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 1 Pack

TOREAD Replacement for Spa Filter PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 1 Pack

    Features:

  • 【NSF/ANSI 50 CERTIFIED】 TOREAD Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. The filter with certified safe materials provides you with clean, fresh and clear water. Only select certified filters for your family to ensure the safety, health and happiness of your loved ones.
  • 【REPLACEMENT MODELS】TOREAD TRF-4326 filter compatible PRB25-IN, Unicel C-4326, SD-00196, SD-00657, 303909, M-4326, 8172500, PLE-051-9174, PLE-051-9395, 645544023759, P-4326. Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open. NOTE: This is a compatible spare part and the manufacturers’ names and part numbers have been used for reference purposes only. TOREAD is an independent brand.
  • 【REINFORCEMENT STRUCTURE】With 25% thicker filtration fabric, heavy chlorine resistant and break-resistant end caps and reinforced center support, the filter delivers high powered propulsion flow, and crystal clear water, providing you with a relaxed and healthy enjoyment.
  • 【MORE EFFICIENT FILTRATION AREA】Uniformity and high-performance trilobal fabric has 21-40% higher capacity compared with common point-bond fabric. The trilobal shape of fabric fibers also helps catch particles, increases efficiency without the pressure drop penalty, and helps reduce filter cleanining frequency.
  • 【6-MONTH RETURN POLICY GUARANTEED!】Product Life Time Warranty on Every Filter Confirmed with Defects in Material, Workmanship, and Any Filter Caused Malfunction within Each Filter’s 12-Month Service Life. We promise a risk-free shopping experience backed up with our reliable customer service and technical support team which is located to Los Angeles.

TOREAD Spa Replacement Filter for Pleatco PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 2 Pack

TOREAD Spa Replacement Filter for Pleatco PRB25-IN, Unicel C-4326, Filbur FC-2375, Pentair R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 2 Pack

    Features:

  • 【NSF/ANSI 50 CERTIFIED】 TOREAD Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. The filter with certified safe materials provides you with clean, fresh and clear water. Only select certified filters for your family to ensure the safety, health and happiness of your loved ones.
  • 【REPLACEMENT MODELS】TOREAD TRF-4326 filter compatible Pleatco PRB25-IN, Unicel C-4326, SD-00196, SD-00657, 303909, M-4326, 8172500, PLE-051-9174, PLE-051-9395, 645544023759, P-4326. Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open. NOTE: This is a compatible spare part and the manufacturers’ names and part numbers have been used for reference purposes only. TOREAD is an independent brand.
  • 【REINFORCEMENT STRUCTURE】With 25% thicker filtration fabric, heavy chlorine resistant and break-resistant end caps and reinforced center support, the filter delivers high powered propulsion flow, and crystal clear water, providing you with a relaxed and healthy enjoyment.
  • 【MORE EFFICIENT FILTRATION AREA】Uniformity and high-performance trilobal fabric has 21-40% higher capacity compared with common point-bond fabric. The trilobal shape of fabric fibers also helps catch particles, increases efficiency without the pressure drop penalty, and helps reduce filter cleanining frequency.
  • 【EASY TO CLEAN】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa’s performance.

Malaka 200102 Replacement Filter for PRB25-IN hot tubs Compatible Filter Cartridge

Malaka 200102 Replacement Filter for PRB25-IN hot tubs Compatible Filter Cartridge

    Features:

  • Contains 2 filter cartridges
  • Dimensions(inch): Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open
  • PRB25-IN filter compatible Unicel C-4326, Filbur FC-2375, SD-00196, SD-00657, 303909, M-4326, 8172500, R173429.(Part number of manufacturer just for reference only, all right reserved.)
  • High filtration performance, collect impurities easily by the filter cartridges.
  • Simple replacement for the cartridge filter, recommended to clean the filter every 2 weeks. Just need take our from your spa skimmer and rinse cartridge by the pipe water.

ZOTEE PRB25-IN Spa Filter Cartridge Compatible with C-4326,Guardian 413-106,Filbur FC-2375,Pentair R173429,3005845,17-2327,100586,33521,25392,817-2500,Hot Springs Spa Filters,1 Pack

ZOTEE PRB25-IN Spa Filter Cartridge Compatible with C-4326,Guardian 413-106,Filbur FC-2375,Pentair R173429,3005845,17-2327,100586,33521,25392,817-2500,Hot Springs Spa Filters,1 Pack

    Features:

  • DIMENTION:Length:13 5/16″,outside diameter:4 15/16″,top/bottom:2 1/8″ open,filtration Area:25 sq.ft.Drop in Spa Filter.
  • REPLACEMENT FILTER CARTRIDGE FOR POOL AND SPA CLEANING SYSTEMS:PRB25-IN,Unicel C-4326,Guardian 413-106,Filbur FC-2375,Pentair R173429,3005845,17-2327,100586,33521,25392,817-2500,SD-00196,SD-00657,303909,M-4326,8172500, PLFPRB25-IN,Darlly 42513,Baleen AK-3011.
  • DURABLE POOL FILTER:The thickened advanced trilobal fabric, helps to catch more contaminants, end caps are resistant to breakage, the enhanced center core make the entire filter cartridge have a longer service life.
  • TOP QUALITY:Hot tub filter cartridge has a densely trilobal structure fabric that captures more contaminants in less time and keeps your water crystal clear.
  • EASY TO WASH:Cleaning pool filter is very simple,just rinse with water and clean up the excess hair and impurities.It is recommended to change the filter cartridge for every six months.

Pleatco PRB25-IN Swimming Pool Filter Cartridge C-4326 FC-2375 C4326 (2 Pack)

Pleatco PRB25-IN Swimming Pool Filter Cartridge C-4326 FC-2375 C4326 (2 Pack)

    Features:

  • Designed with Reemay filtration fabric and a free flow core that allows water to free flow through and increase the effectiveness of the filter
  • Uses less energy and provides a longer product life for your filter
  • Bond bands help keep the pleats crimped, defined, and evenly separated
  • Antimicrobial double end caps inhibit growth of bacteria
  • Replaces Unicel C 4326 and Filbur FC 2375 cartridges

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