Oase BioMaster Thermo 850

Oase BioMaster Thermo 850 External Canister Filter

The Oase BioMaster Thermo 850 is a high-capacity external canister filter designed for aquariums up to approximately 850 litres. Combining powerful multi-stage filtration with an integrated adjustable HeatUp heater, it delivers excellent water clarity while maintaining stable aquarium temperatures. The innovative EasyClean pre-filter module allows fast maintenance without dismantling the entire filter, making it an efficient and convenient filtration solution for both freshwater and marine aquariums.

Key Features

• Suitable for aquariums up to approx. 850 litres
• Integrated HeatUp adjustable heater (approx. 400 W)
• EasyClean removable pre-filter module for simplified maintenance
• Hel-X biological media and filter sponges for efficient filtration
• Optimised water routing for improved flow performance
• Priming/vent button for quick start-up
• Safety shut-off valve helps prevent water leakage
• Quiet, energy-efficient operation
• Suitable for freshwater and marine aquariums

Benefits

• Maintains excellent water clarity and aquatic health
• Integrated heater reduces visible equipment inside the aquarium
• Supports stable biological filtration
• Quick maintenance with EasyClean pre-filter access
• Reliable, energy-efficient filtration performance

Technical Specifications

• Recommended aquarium size: up to approx. 850 litres
• Maximum flow rate: approx. 1500 L/h
• Maximum head height: approx. 2.2 metres
• Filter volume: approx. 8 litres
• Pre-filter volume: approx. 0.6 litres
• Power consumption (filter): approx. 21.4–32 W
• Heater power: approx. 400 W
• Dimensions: approx. 240 × 240 × 535 mm
• Hose size: 16/22 mm (inner/outer diameter)
• Hose length: approx. 4 metres
• Power cable length: approx. 1.5 metres
• Weight: approx. 7.48 kg
• Warranty: 3 + 1 years (manufacturer guarantee)
• Suitable for freshwater and marine aquariums