4 Pack Micron Cartridge Compatible with Marineland Magnum ML90770 Canister Filters & Polishing Internal Canister Filter ML90770, Compare to Part# PA0140

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Excellent replacement for OEM filters. Quite a bit cheaper and seem to be doing just as good of a job and last roughly the same time. Fit perfectly into the original housing.

Works good.

So, I've had the internal filter that these are for, for the LONGEST time, now, and I absolutely love it. It's an amazing filter and does wonders to the water clarity and quality when it's working efficiently. I've not been able to find another filter like it. and have bought more than three in my 15 plus years of fish keeping. When maintained, they do last a very long time, as well. However, these water polishing filters can get very expensive, and there is only so many times that you can soak it in bleach to clean it, and reuse it. After so many times of doing this, the filter material wears thin, starts to get fuzzy, and just weak overall. So, finding this package deal, was an absolute blessing!✅ GREAT QUALITY. JUST LIKE THE NAME BRAND: These are a flawless fit, and the quality is almost identical, if not even better than the actual, expensive. name brand replacement filter! The filter material seems a little thicker, more solid. and does an amazing job at water polishing! It catches all of the finest debris and makes such a huge difference; the water in my 150 gallon tank was so crystal clear, it looked like the fish were swimming in mid air!✅ GREAT DEAL VS. QUANTITY: Usually. you have to buy these in packs of one, or two at the very most. This is the first package in which you get more than just two, and for a manageable price. This is so useful because when you're waiting for one to be cleaned and cured, you can have another to go into the filter, so there is no down time, in running the filter. This is the most amount of these filters that I've ever been able to have, in my possession, at one time. LOL! Again, they can get ridiculously expensive, especially when you run your filter as much as I do.✴ OVERALL RATING: ⭐⭐⭐⭐⭐ FIVE STARS ————————————————♡》》》 IN SUMMARY: This package deal is a blessings for those that still use this particular filter. For people like me, who uses and believes in this little filter, having these is such a joy, and being able to put a fresh, brand new replacement into the filter, and physically see the difference in the water, is satisfying unlike anything else! I very highly recommend these, if you're still using the little canister. They're the same, if not better quality than the expensive name brand, intended for the filter, and getting multiples is a huge bonus! When these eventually wear down and become unusable, I will most definitely be re-ordering these, over and over! I'm thankful that I've found them! ♡

These are just like OEM. Not sure what to say except they work great!!! I will buy them again.

These fit in my old Magnum filter and seem to be working as well as the originals. This style filter is great for polishing the aquarium water, but they do clog quickly, which is just how these these filters work. Overall, I am pleased with these and would recommend.

I have been using the Marine Land Magnum Polishing Canister Filter for over a year. OEM replacement filters are expensive, and I have tried replacement filters from other brands but nothing beats the Beaufan filters in terms of product longevity and clarity of water. They last longer and are easy to clean - several times! - before needing to be replaced. Overall, this is an excellent filter. I highly recommend this brand.

4 filters come in a pack, reasonably priced considering OEM can be expensive. Filter does its job and filters water clear. Overall, very pleased with this filter and the results it provides.