I love these brushes. They are great for cleaning the filter tubes in fish tanks. They come in different sizes. They also work good for dishes like bottles and cups. they can get down and clean places that your hands can't reach.

Pros: Many sizes

Cons: None

Love these brushes. I have found many uses for them around the house as well as cleaning the fish tank filters and decorations with them. They are durable, handy and inexpensive.

Pros: Many Uses

Cons: No Complaints

I have about a half dozen of these in different sizes. They're excellent for removing any built up gunk in the filter intake tubes.
Everyone should have at least one.

Pros: it's great for cleaning out filters

Cons: none

Great for cleaning tubes. I also find the large size brush works pretty well cleaning the corners of the tank (if/when necessary).

Pros: works very well

Cons: none

The brush works great........good brush. Can clean tubes and whatever else .........comes in handy for many things.

Pros: great brush, cost is low

Cons: none