Pack include: 12pcs foam filter (approx size:220 x 77 x 22 mm )and 12pcs polishing pads(thickness: 25mm)
This set fillter pads is custom designed and manufactured for the fluval 204 205 206 filtration systems,and the polishing pads also fit for Fluval 104 105 106,the foam filter is fit for 304,305,306
Enhances biological filtration
Provides efficient water flow with less clogging for long lasting filtration
Good for freshwater and saltwater environments