• The next generation of our best-selling BioMaster filter—reimagined with updated features, making it our most efficient and user-friendly filter yet.
• The EasyClean pre-filter simplifies filter maintenance, improves efficiency, and prolongs the lifespan of the main filter foams.
• Four-stage sealed filtration system forces water through various media to maximize beneficial bacteria growth and ensure thorough cleaning.
• Easily integrate our HeatUp heater into the filter. Adding the heater to your canister minimizes the amount of in-tank equipment and protects inhabitants from direct contact.

The BioMaster line of premium external filters are perfect for marine and freshwater aquariums.  Biological, mechanical, chemical, and prefiltration all work together to provide your aquarium with optimal water quality and clarity. The BioMaster filters are designed with sealed filtration pathways to ensure water flow is getting the full benefits of prefiltration, filter media for clearer water, Hel-X Biomedia provide a large suspended settlement surface for microorganisms, and activated carbon for ideal nutrient reduction and removal of toxins. The EasyClean prefilter module can be removed and cleaned separately from the rest of the filter for high efficiency and to extend the life of your filter. The water flow can easily be adjusted on both the inlet and outlet adapters for the filter. Created for convenient placement under the aquarium. Created for convenient placement under the aquarium. Install the included diffuser and spray bar for uniform surface movement and additional dissolved oxygen for ideal water quality. This filter also features a carrying handle for simple moving and maintenance. This energy-efficient design includes a self-priming function for easy operation on startup and after cleaning. Includes a shut-off automation with built-in check valve to prevent leakage when cleaning the filter. Designed using German engineering and manufactured in Italy, this quiet operating filter is supported by an included 3 year warranty with a free 1 year warranty extension with online product registration. Customize your prefilter by combining coarse, fine, ultra fine, and activated carbon filter foams.

The BioMaster Thermo line of premium external filters with integrated heaters are perfect for marine and freshwater aquariums. The BioMaster Thermo boasts 4-stage filtration in a compact design. With the heater integrated into your filter, there is more room for undisrupted beauty in your aquarium. 

SPECIFICATIONS
BIOMASTER 250 & THERMO

• Dimensions
  9.4 x 9.4 x 14.6 inches (240 x 240 x 370 mm)
• Weight
  11.2 lbs. (5 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  15W
• Power Cord Length
  6 ft. (1.8 m)
• Max. Flow Rate
  250 GPH (900 LPH)
• Max. Head Height
  5.6 ft. (1.7 m)
• Tubing Connection
  5/8 in. ID / 0.87 in. OD (16 mm / 22 mm)
• Tubing Length
  5/8 in. x 13 ft. (16 mm x 4 m)
• Filter Volume
  1.2 gallons (4.4L)
• Pre-Filter Volume
  0.11 gallons (0.4L)
• Max. Aquarium Volume
  70 gallons (250L)
• Suitable for
  Fresh and marine water

BIOMASTER 350 & THERMO

• Dimensions
  9.4 x 9.4 x 16.7 inches (240 x 240 x 425 mm)
• Weight
  12.34 lbs. (5.6 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  16W
• Power Cord Length
  6 ft. (1.8 m)
• Max. Flow Rate
  300 GPH (1100 LPH)
• Max. Head Height
  5.9 ft. (1.8 m)
• Tubing Connection
  5/8 in. ID / 0.87 in. OD (16 mm / 22 mm)
• Tubing Length
  5/8 in. x 13 ft. (16 mm x 4 m)
• Filter Volume
  1.5 gallons (5.6L)
• Pre-Filter Volume
  0.13 gallons (0.5L)
• Max. Aquarium Volume
  90 gallons (350L)
• Suitable for
  Fresh and marine water

BIOMASTER 600 & THERMO

• Dimensions
  9.4 x 9.4 x 19 inches (240 x 240 x 480 mm)
• Weight
  13.22 lbs. (6 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  23W
• Power Cord Length
  6 ft. (1.8 m)
• Max. Flow Rate
  350 GPH (1250 LPH)
• Max. Head Height
  6.6 ft. (2.0 m)
• Tubing Connection
  5/8 in. ID / 0.87 in. OD (16 mm / 22 mm)
• Tubing Length
  5/8 in. x 13 ft. (16 mm x 4 m)
• Filter Volume
  1.8 gallons (6.8L)
• Pre-Filter Volume
  0.16 gallons (0.6L)
• Max. Aquarium Volume
  160 gallons (600L)
• Suitable for
  Fresh and marine water

BIOMASTER 850 & THERMO

• Dimensions
  9.4 x 9.4 x 22 inches (240 x 240 x 535 mm)
• Weight
  15.54 lbs. (7 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  25W
• Power Cord Length
  6 ft. (1.8 m)
• Max. Flow Rate
  400 GPH (1500 LPH)
• Max. Head Height
  7.4 ft. (2.25 m)
• Tubing Connection
  5/8 in. ID / 0.87 in. OD (16 mm / 22 mm)
• Tubing Length
  5/8 in. x 13 ft. (16 mm x 4 m)
• Filter Volume
  2.1 gallons (8L)
• Pre-Filter Volume
  0.16 gallons (0.6L)
• Max. Aquarium Volume
  225 gallons (850L)
• Suitable for
  Fresh and marine water