6 x Compatible Fluval Bio-Foam Filter Pads for 304/305/306/404/405/406/407
You are purchasing 6 x Finest Filters Compatible Bio-Foam filter pads suitable for the Fluval 304 / 305 / 306 and 404 / 405 / 406 / 407 external filters. 12 x Compatible Fluval Bio-Foam Filter Pads suitable for 204 / 205 and 206.