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How to find NSF Certification Information？
- Step 1: Go to pld.iapmo.org
- Step 2: Select search category: Listed Model / Additional Company
- Step 3: Enter "TRF-4326" in the brand name/model field
How to find a replacement cartridge for your pool or spa?
If you already know your filter cartridge's part number or the replacement number, you can use the search the part number on our product page to quickly confirm whether the filter is compatible.
If you do not know the replacement 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 in inches (+/- 1/16th).
- Measure cartridge length from end cap to end cap (+/- 1/16th). Exclude any handles or extensions.
- Identify the correct top and bottom type. If the top and/or bottom is open, measure the inside diameter of the opening (+/- 1/16th). If the end cap is closed make note of its identifying features (i.e. “Handle”, “Cone”, etc.).
- Make note of the manufacturer and model number of the filter into which the replacement cartridge will be installed.
- Take note whether or not there is a center core (PVC pipe in center).
Specifications of TRF-4326:
- 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.
TOREAD Replacement Filter for Pool and Spa Cleaning Systems
Replacement Part Numbers:
Aladdin 12502 | Baleen AK-3011 | Darlly 42513 | Excel Filters XLS-403 | Filbur FC-2375 | Filbur FC-2375M | Harmsco H-4326 | Magnum RD25 | Pleatco PRB25-IN | Pleatco PRB25-IN-4 | Pleatco PRB25-IN-M | Pure N Clean PC-2375 | SD-00196 | SD-00657 | SD-00784 | SD-01145 | Unicel C-4326 | Unicel C-4326RA | OEM 100586 | OEM 33521 | OEM 172327 | 17-2327 | 17-4821 | 2501 |
3005845 | 3301-2242 | 25392 | 817-2500 | 303909 | M-4326 | R173429 | Rainbow / Pentair Dynamic 25 | TOREAD TRF-4326 | FL1001 | 100586 | APCC7060 | 12502ECO | FC-1910 | PLE-051-9174 | PLE-051-9395 | UNIC4625 | 46198 | 4900-40 | PRB25-IN-3 | C-5623 | 645544023759 |090164010007 | 12301 | FC-2375-HB | 4900-215 | 4900-61 | 4902-110 | 4904-003 | P-4326 | P-4625 | PFAB30 | 413-106 | C-4625 | PRDC25 | 17-175-1210 | 27-101 | 162387 | 17-175-1592 | 17-175-1210 | FIL1110022
This filter used in pools / spas made by:
Nordic Hot Tub | Dr Wellness Spa | Royal Spa | Beachcomber Spa
Higher Dirt-Holding
The powerful filtration function can remove residual Chlorine, odor and other impurities to keep you pool & spa water crystal clear.
Greater Flow
Precision-engineered free flow core design provides maximum water flow and offers strong support to the whole filter.
Excellent Cleanability
Highly uniform media allows easy and thorough cleaning, it holds up to rigors of multiple cleanings.
Henri Bourjade
Reviewed in France on March 4, 2025
Pas de différence avec le filtre 4 fois plus cher fourni par l’installateur du Spa.Peut-être mieux, probablement.
Robert Z.
Reviewed in Canada on March 12, 2025
Exactly as described.
Amy
Reviewed in Canada on January 8, 2025
These filters work perfectly in my hottub and they are so much more affordable than ordering from the company I purchased the tub from! They are exactly the same as the model that came with the tub.
AB
Reviewed in Canada on April 7, 2025
Work great!
David Beaton
Reviewed in Canada on September 9, 2024
Works well
Reg
Reviewed in Canada on December 4, 2024
Almost exact to the factory filter. 🤞🏼 Hope it lt lasts. Will order again, probably on subsription.
buyer
Reviewed in Canada on December 18, 2024
The filter fit perfectly in my beachcomber hot tub and is much cheaper than buying the brand-name ones. I usually buy. Will buy again!
Dk
Reviewed in the United States on November 30, 2024
I ran out of filters for my hot tub. I went up town to the only hot tub supply place in our small town. The filters there were $16 each and then wouldn’t have any in until Thursday 4 days from then. Discussed, went out to my car sat there mad and the thought came to me. Check Amazon. Price was far cheaper and they could get a pack of two there the next day. I have never been back to that store. They work great and I always have a supply. Far better price.
Debster
Reviewed in Canada on October 7, 2024
Great product and fast delivery👍
Chris R.
Reviewed in Canada on July 10, 2023
These filters fit properly and the two pack makes them a great deal too. The filter performance is good and so are highly recommended based on performance, fit and price.
Goran Karlsson
Reviewed in Sweden on May 26, 2023
Enligt förväntningarna
enzo
Reviewed in Italy on October 24, 2023
TuttoCome nell’annuncio
Matt Cameron
Reviewed in the United Kingdom on March 15, 2022
I use these filters in my Jacuzzi J-200 series hot-tub, cleaning monthly and replacing annually. These are every bit as efficient as the Jacuzzi branded item and a fraction of the price, and fits perfectly.£35 for 2 with next day delivery. Quite frankly I'm left scratching my head as to how you can do this for the money!
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