Marineland Rite-Size Cartridge A

Same product you would find at any pet store, but at a discounted price. Picture shown is for a size B or C, but the actual product received is a size A with the notches on both sides at the top. Works great so I have no complaints on its function, especially since Marineland is a well known brand.

While I like to support my LFS with my patronage, when the budget prevents me from spending $20 on filter cartridges this is the place to get them! They're the exact same ones as you'd get in the store and usually a nice percentage off. Just rinse, insert, and you're on your way!

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The Marineland Penguin rite-size filters fit my filter perfectly. And the price you get here is hard to beat.

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These filters work great. The activated charcoal is really effective at removing odors and chemical residue, e.g., tetracycline after a treatment. And assorted particles are nixed in a couple hours in my Marineland Mini. The fish look active and happy so regular filter and water changes really does foster aquarium health.

The Amazon product image depicts a larger Marineland filter model, but I received the correct size (A).

Like most reviewers here, I have been paying huge markups for these same filters at my local pet store. The same 6-pack sells for $24.99 plus tax in Honolulu. I realize a storefront operation needs a higher markup to cover overhead, and I don't mind paying a little extra, but an extra $15 over the Amazon price is excessive. So now I can afford to really change filters every few weeks or so.

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The aquarium filters are good quality but are also the exact same product sold at Walmart under the name Aqua Tec

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