• 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.
• Ideal for freshwater and saltwater aquariums up to 70 gallons (250L).
• Specifications

• Biomaster 250 thermo

• Dimensions
  9.4 x 9.4 x 14.6 inches (240 x 240 x 370 mm)
• Weight
  13.7 lbs. (6.2 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  15W (filter), 150W (heater)
• 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)
• Recommended Aquarium Size
  70 gallons (250L)
• Suitable for
  Fresh and marine water

Biomaster Thermo 350

• Dimensions
  9.4 x 9.4 x 16.7 inches (240 x 240 x 425 mm)
• Weight
  14.3 lbs. (6.5 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  16W (filter), 200W (heater)
• 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)
• Recommended Aquarium Size
  90 gallons (350L)
• Suitable for
  Fresh and marine water

Biomaster Thermo 600

• Dimensions
  9.4 x 9.4 x 19 inches (240 x 240 x 480 mm)
• Weight
  15 lbs. (6.79 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  23W (filter), 300W (heater)
• 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)
• Recommended Aquarium Size
  160 gallons (600L)
• Suitable for
  Fresh and marine water

Biomaster Thermo 850

• Dimensions
  9.4 x 9.4 x 22 inches (240 x 240 x 535 mm)
• Weight
  16.4 lbs. (7.4 kg)
• Rated Voltage
  120V / 60 Hz
• Power Consumption
  25W (filter), 400W (heater)
• 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
  0.19 gal (0.7 L)
• Recommended Aquarium Size
  225 gallons (850L)
• Suitable for
  Fresh and marine water

Optimized Flow & Filtration