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How to Determine the Right Replacement Cartridge for Your Pool or Spa?
Already have the part number!
Simply input the filter cartridge's part number or its replacement number into the search bar on our product page to verify compatibility.
Unsure of the part number!
Selecting the appropriate cartridge can be achieved by assessing your current one. Follow these steps:
1. Gauge the cartridge's external diameter, ensuring accuracy to within +/- 1/16 inch.
2. Measure the cartridge's length from one end cap to the other, excluding any protruding handles or extensions, to within +/- 1/16 inch.
3. Determine the top and bottom type. If they're open, measure the inner diameter of the opening to within +/- 1/16 inch. For closed end caps, jot down distinct features (e.g., "Handle", "Cone").
4. Note down the filter's manufacturer and model number where the new cartridge will be placed.
5. Check if there's a central core (like a PP pipe) present.
Ideal Replacement for Pool & Spa Cleaning Systems
Compatible Part Numbers:
FC-0172 | PWW50L | 4CH-949 | AK-90091 | Magnum O250 | Darlly 42522 | Darlly 40508 | XLS-479 | PC-0172 | SD-01143 | OEM 817-4050 | Waterway Teleweir 50 sqft | Rising Dragon 50 | FW6008 | X268515 | fil50-5d13h15fct-3
Suitable for pools/spas by:
Garden Leisure | Rising Dragon Spa | Down East | Four Winds | Ft. Wayne Spas | Hydro Pool Industries | Master Spas | Premium Leisure | rising dragon | Serenity Spas
DISCLAIMER:
ALL MANUFACTURERS' NAMES AND PART NUMBERS REMAIN THE PROPERTY OF THEIR RESPECTIVE HOLDER(S) AND ARE USED FOR COMPATIBILITY INFORMATION ONLY. AQUALTRA IS AN INDEPENDENT BRAND.
Specifications
- Length: 13 1/16”
- Outside Diameter: 5”
- Top: Circular Handle
- Bottom: 2" Female SAE Thread
- Filtration Area: 50 sq. ft.*2
- Core: PP
- Material: Standard Trilobal Fabric
Fatima
Reviewed in Canada on April 16, 2025
First day receiving the item and giving it five stars just because they fit perfectly into our hot tub. God knows I ordered at least five other sets of filters before I got to this one and luckily we got a winner! we have an Arctic spa and because it’s an older model, it’s so very hard to find the right filters. Will be back for review after a couple of weeks. Amazon has been getting lots of my money these days 😆, but so convenient and happy happyfor the variety of products we can find here 😊.
Chris from Canada
Reviewed in Canada on September 6, 2024
I like to keep a few sets of filters in circulation, so I can clean and dry one set when I swap in a new set. The chlorine makes the plastic break down over time, so around 1.5-2 years the filter material looks good but the shell seems to get brittle. I was not sure if these would fit, my hot tub, the dimensions looked right on paper. Since I don't have any paper work, and the filters I have for this unit are aged, I was not 100% sure which ones I needed, but I measure the size and confirm that the threads were correct, order up, and it fit good. They seem like the OEM quality but were about 1/2 the price as getting filters at a hot tub store.***If I had one recommendation to the company, in the documents page if you could show a close up photo of the threaded bottom, it would assist people in selecting which filters to order.
KKP
Reviewed in the United States on June 15, 2024
Good filter and alot cheaper than in the store.
KENRI
Reviewed in the United States on February 5, 2024
Fits well and works well
Tracey Hebert
Reviewed in Canada on October 30, 2024
Thought I'd order these to give them a try. Tbh, I wasn't really sure if they were the right filters for our hot tub, but to me they looked the same. lol They're a perfect fit and replacement and have been working great since installed. My husband said they were a better price than the ones he orders from our pool shop as well! Win, win!
RoHo
Reviewed in the United States on October 25, 2024
Good filters, fits. Great value for items instead of paying double for 1.
Customer
Reviewed in the United States on January 18, 2024
These are priced at well-below half of what the manufacturer of my spa charges for the lower filtration white filters. Perfect fit and work well to keep my water clear!
jdc
Reviewed in the United States on January 10, 2024
These are very good and will buy again. Very strong construction and should last a good long while.
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