Sponge Sheet 45cm X 45cm X 5cm

Sponge Sheet 45cm X 45cm X 5cm

• Biological Filtration
• Use in a sump or cut down to fit in canister filters
• Sponge size 45cm X 45cm X 5cm
• Medium Density

Sponge filters are a biological filtration that builds up a colony a good bacteria that breaks down the ammonia and nitrite as water passes though them and also collect detritus to help keep a clean aquarium.