Guardian Filtration Products Spa Filter Cartridge 413-106 Replacement for Pleatco PRB25-IN, Unicel C-4326, C4326, and Filbur FC-2375 | Easy to Clean 25 Sq. Ft. Filter Media

This is the 3rd Amazon filter I have tried and this one seems to work the best. Keeps the dirt, grass & bugs out of the water at a good price. Also doesn't cause water flow issues which I have had with others.

Perfect Replacement, just what I needed for the hot tub. Good quality product.

Used for hot tub. Perfect fit.

Less expensive than our local hot tub supplier and appears to be the same quality. The whole fit a little snug but that appears to be the only difference.

I recently, removed a deck surface from a patio and the surrounding concrete of my pool. That alone was a lot of work and a big chore to clean up. My friend George gave me this pump that uses this style filter to help clean the dust and sand out of the pool. After pressure washing and scraping a lot of fine dust was on the pool bottom and my sand filter was just not doing as well as a an element style filter. Having said that, you should know a cheap filter would plug up and collapse as it gets full of debris/powder, this filter has a grid support inside of it to help prevent that. You will still have to clean it before the pressure gets too high, but again it is well made and should serve you well!

I'm almost embarrassed to admit that I hadn't changed the filter cartridge in 10 years! The new one fits perfectly and works well. A quick rinse once a week, and it hopefully will last another 10 years.

Awesome filter. I clean filter out once a week for my hot tub. Very easy to clean and very affordable. My other filters I have bought in past had to be changed out in replaced in 2 months. I have had the same filter for the last 4 months.

The 2-1/8 holes were a bit undersized and wouldn’t fit the pipe. Heated up one side a bit and it went it nicely.