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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-4CH-949" 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-4CH-949:
- Length: 13 1/16”
- Outside Diameter: 5”
- Top: Handle
- Bottom: 2" Female SAE Threaded
- Filtration Area: 50 sq. ft.
- Core: PVC Core
- Package Quantity: 2 Filters
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
This filter used in pools / spas made by:
Cal Spa|Dynasty Spas|Garden Leisure | Rising Dragon Spa | Down East | Four Winds | Ft. Wayne Spas |Sunrise Spas| Hydro Pool Industries | Master Spas | Premium Leisure | Rising dragon | Serenity Spas | Waterway Plastics and other manufacturers
Replacement Part Numbers:
Filbur FC-0172 | Pleatco PWW50L | Unicel 4CH-949 | Baleen AK-90091 | Magnum O250 | Darlly 42522 | Darlly 40508 | Excel Filters XLS-479 | Pure N Clean PC-0172 | SD-01143 | OEM 817-4050 | Waterway Teleweir 50 sqft | Rising Dragon 50 | FW6008 | X268515 | 090164999210 | fil50-5d13h15fct-3|FIL11100208
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.
Dorothy
2025-07-16 13:03:13
Looks well made, fits perfectly. Price is good.
Lisa Warteman
2025-07-14 11:20:03
This filter works great for our Cal Spa. I just installed it so I don't know what the life expectancy is of this filter, but for the price, it should be fine.
Mark Sinkoff
2025-06-09 17:47:13
Two for thevprice of one good quility
george r.
2025-06-02 18:03:27
Good price and works good
Jay M
2025-05-31 16:14:32
As soon as I received these I installed one and it fit perfectly.
Zachary ledbetter
2025-05-26 12:50:28
Works great use them every time
Trisha
2025-04-24 09:34:51
Have had no issues w install or fit. Captures a lot of debris.
SocalNonna
2025-04-02 20:52:35
Fast delivery and easy installation
Ernie Klem
2025-03-18 21:09:43
Good filters!
JT
2025-03-14 11:27:33
Worked as expected. Highly recommended
Linda Talbot
2025-03-11 14:53:05
J’ai acheté ce produit pour mon spa. La livraison en temps rapide et le produit très satisfaite.
Customer
2025-02-24 12:13:34
This was listed as a replacement part for my old hot tub filter and fits perfectly. Having 2 is great and I switch them out to rinse and clean each week.
Sue W
2025-02-12 14:19:20
Fit our Arctic Spa perfectly.
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