Internal Filters

The Shark Sponge replacement kit provides 1x white sponge with 20ppi of cleaning power and 2x Blue 10ppi pads for crystal clear water.

The Shark Sponge replacement kit provides 2x white sponge with 20ppi of cleaning power.

The Pre-filter Foam Set 45 ppi for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes 6 fine replacement filter foams Customize your choice of filter foams to...

The 20 ppi Replacement Filter Foam for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes an ultra-coarse replacement filter foam Customize your choice of...

The Pre-filter Foam Set 60 ppi for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes 6 ultra fine replacement filter foams Customize your choice of filter...

The 30 ppi Replacement Filter Foam for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes a coarse replacement filter foam Customize your choice of filter...

The Carbon Pre-filter Foam Set for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes 6 carbon replacement filter foams Safely regulates the pH value and water...

The Pre-filter Foam Set 30 ppi for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes 6 coarse replacement filter foams Customize your choice of filter foams...