6-Pack, Size B, Rite-Size Cartridge Refills

Awesome Find

We have always used this product and was very happy to get it from Amazon

The product was exactly was what I wanted but it came crushed and charcoal from the filter media went all over the floor. The packaging was inappropriate for the merchandise.

very good.

About the only kind available. Soooo

Fish died a few day after install

Quick transaction and perfect for what I needed ! Thanks

My fish are happy so I am Happy! Thank you

Yes they did

Works well, good value