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

Fish died a few day after install

It sit and works perfectly

Works well

The box the filters should have been in was tore up. The soft part of the filters were tore and charcoal was everywhere.

Ive used these for years and are a fair value when bought in bulk.

Great value and functions well!

Works perfectly.

could not use wrong size to small

Good filters and a good price, works very well in. my fish tank

Performs the exact function described. Works very well.