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How to Measure the Filter?
If you do not know the replacement part number, measure the filter as the following steps:
a. Measure the outside diameter of the cartridge in inches (+/- 1/16)
b. Measure the overall length of the cartridge in inches (+/- 1/16), including the end caps. Do not include any handles, strings, etc.
c. If the top and/or bottom is open, measure the inside diameter of the opening (+/- 1/16 inch). If the end cap is closed make note of its identifying features (i.e. “Handle”, “Cone”, etc.).
Never Skimp on Quality
The end caps of the filter cartridge are sturdy, and not easy to melt or crack.
Extra Pleats
More filter area for maximum filtration efficiency, providing a sparkling clean pool.
Strong Support Structure
Molded strong core provides maximum hydraulic efficiency and overall structural stability.
Easy to Install
Plug and play. Just unscrewed the cap and replace the cartridge.
Billie
Reviewed in the United States on February 20, 2025
These work great with my Intex hot tub, perfect match.
Devin
Reviewed in the United States on June 9, 2024
Work great and are good quality
Customer
Reviewed in the United States on June 29, 2024
Good product for spa
Issabelle
Reviewed in the United States on December 9, 2024
Such a great price. These are just like the more expensive filters.
Lisa Dunn
Reviewed in the United States on December 12, 2024
Fast and easy with a perfect fit
Christine
Reviewed in the United States on October 23, 2024
We have an Intex inflatable spa and have used these filters consistently for over a year. I am pleased with the quality and durability
sao214
Reviewed in the United States on July 21, 2023
Filters are a good value, but do not easily slip into the filter housing like the ones that came with the spa. You have to force them to stay in while you screw on the filter top. Otherwise they seem to do the job.
Frannie
Reviewed in the United States on August 21, 2021
These are terrible! I thought from the picture I ordered blue S1 filters we put them and they didn’t fit well (but had no others for replacement) opened it up there was brown gunk all over the inside cover and the walls Of our hot tub open up the filters to see what they look like and this is what we saw it was just gross we had to put the old filters in that we tried to rinse out thankfully we save them while we try to locate the right filters didn’t even realize that they weren’t the right ones but when I looked back on my order they showed blue the ones we got were green if you can see that underneath all the gunk on top of them.
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