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How to identify your pool and spa filter cartridge?
If you already know your filter cartridge's part number, please search the part number on our product page to quickly confirm whether the filter is compatible.
If you do not know the part number for your cartridge, then choosing the right cartridge can be accomplished by measuring your existing one. Use the following steps as a guide:
- Measure the outside diameter of the cartridge.(±1mm).
- Measure the overall length of the cartridge in inches (± 1/16), including the end caps. Do not include any handles, strings, etc. A more accurate measurement is made by measuring through the center of the cartridge when possible.
- If the top and/or bottom is open, measure the inside diameter of the opening (±1mm). If the end cap is closed make note of its identifying features (i.e. 'Handle', etc.).
- Make note of the manufacturer (OEM) and model number of the filter into which the replacement cartridge will be installed.
- Take note whether or not there is a center core.Also count the number of pleats (±2).
Specifications of A4326:
- Length: 13 5/16”
- Outside Diameter: 5”
- Top Opening: 2 1/8”
- Bottom Opening: 2 1/8”
- Filtration Area: 25 sq. ft.
Note: All manufacturers' names and part numbers remain the property of their respective holder(s) and are used for compatibility information only.
AMIBRON Replacement Filter for Pool and Spa Cleaning Systems
Suitable for pools/spas by:
Nordic Hot Tub | Dr Wellness Spa | Royal Spa | Beachcomber Spa
Compatible Part Numbers:
Aladdin 12502 | Baleen AK-3011 | Darlly 42513 | Filtros de Excel XLS-403 | | Pleatco PRB25-IN | Filbur FC-2375 | Magnum RD25 | Harmsco H-4326 | Pure N Clean PC-2375 | SD-00196 | SD-00784 | SD-00150 | SD-00655 | Unicel C-4326 | OEM 100586 | OEM 33521 | R172327 | 172327 | 17-2327 | R172325 | 2501 | 3005845 | 3301-2242 | 25392 | 817-2500 | 303909 | M-4326 | R173429 | 17-34 29 | Rainbow / Pentair Dynamic 25 | TOREAD TRF-4326 | 100586 | PLE-051-9395 | 645544023759 | 090164010007 | FC-2375-HB | 4900-61 | 4902-110 | 4904-003 | P-4326 | P-4625 | 413-106 | C-4625 |
Higher Dirt-Holding
The powerful filtration function can remove residual Chlorine, bad smell and other impurities to keep your pool & spa water crystal clear.
Excellent Cleanability
Highly uniform media allows easy and thorough cleaning, it holds up to rigors of multiple cleanings.
Long Service Life
The filter can be used repeatedly after proper cleaning and maintenance, which increases the service life of the pool filter and saves money.
Gerry
Reviewed in the United States on March 16, 2025
Direct replacement for our hot tub. Far more economical than the replacements from the hot tub company. Easy to clean to extend the life.
Jim
Reviewed in the United States on March 1, 2025
They work and fit every bit as good as those I pay considerably more money for at the pool supply store. That's good enough for me!
Ken Spalthoff
Reviewed in the United States on September 4, 2024
Filter fit spa perfect.
jerri
Reviewed in the United States on September 24, 2024
Great product &price. Very fast shipping
sheryl0601
Reviewed in the United States on August 2, 2024
The price was great, shipping was fast
carouselwing
Reviewed in the United States on August 1, 2024
Fit my hot tub and help keep it clean. Easy to install
Customer
Reviewed in the United States on July 1, 2024
Great deal on two filters and wonderful price! Super easy to install and good value for the money.
Jon
Reviewed in the United States on November 12, 2024
Good price pointFits and works well on Nortic spa
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