NICREW Slim Aquarium Filter Cartridges (12 pcs) with Intake Sponges (4 pcs)

These are perfect for my tank 5 gallon I got on here. The tank is glass, which I love and wouldn’t get plastic. So durability is great. My snails and beta are so happy and keep growing so huge from all the space. There is no noise and the tank does not collect algae but that’s due to my live plants that I have in my tank. These work great if you keep your gravel or sand or whatever base you use super clean. If you don’t keep your substrate clean, you will go through at least 1 of these every 1-2 weeks.

Good product works well for small tanks

Great filters! Perfect size. Keeps my tank clean and my fish happy! Very low noise and super durable.

They work

Love the filters, easy to clean and easy to use!

Filters fit perfect. No issues

effective and easy to replace

Filters out all fish crap and poop no more wiping the fish butts and holes

Works as expected. Original to the filter so fit and quality are as expected. No issues with product.

These work as expected and help keep the water clear in the fish tank for a long time, I'm very happy with them

Great product

Keep in mind this is only for their specific filter. Works great but they seem to need to be replaced pretty frequently. Maybe it's just my tank but they get gummed up pretty quick. I guess that does mean though that they're doing a good job cleaning my water.

Easy to use and swap out for my water filter in beta tank.