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Oase Filtosmart Thermo 300

£237.99 £134.99

Oase FiltoSmart Thermo 300 – Includes Heater The Oase FiltoSmart Thermo 300 is a powerful, energy-efficient external filter with an integrated heater – offering crystal-clear water and precise temperature control for aquariums up to 300 litres. Combining mechanical and biological filtration in a compact, user-friendly design, it delivers professional-level performance...

Oase Filtosmart Thermo 300

Oase Filtosmart Thermo 300

Oase FiltoSmart Thermo 300 – Includes Heater

The Oase FiltoSmart Thermo 300 is a powerful, energy-efficient external filter with an integrated heater – offering crystal-clear water and precise temperature control for aquariums up to 300 litres. Combining mechanical and biological filtration in a compact, user-friendly design, it delivers professional-level performance for both freshwater and planted aquarium setups.

Key Features

  • Integrated Heating System: Includes the HeatUp 300 adjustable heater for consistent, even water temperature across your aquarium – eliminating the need for a visible in-tank heater.
  • Powerful Filtration: Large filter surface and 6.4L filter volume provide exceptional water clarity and biological stability.
  • Compact & Easy to Maintain: Space-saving design with an easy-click opening mechanism for effortless filter cleaning.
  • Leak-Proof Operation: Automatic shut-off prevents unwanted water spills during maintenance.
  • Quiet & Efficient: Advanced pump technology ensures low-noise, energy-efficient performance – ideal for home or office aquariums.
  • Adjustable Flow: Fine-tune the inlet and outlet flow rate to match your tank’s requirements, from gentle planted layouts to higher-flow environments.
  • Stable Design: Features a secure, non-slip base and self-venting connection set for quick, hassle-free installation.
  • Premium Quality: Built with German precision and backed by a 3-year Oase guarantee for long-lasting reliability.

Technical Specifications

Suitable for aquariums Up to 300 L
Dimensions (L × W × H) 288 × 179 × 428 mm
Power consumption 23 W (filter) + 300 W (heater)
Flow rate 1000 L/h
Max. head height 1.3 m
Filter volume 6.4 L
Pre-filter volume 1.5 L
Hose connections 16 / 22 mm
Hose length 2.5 m
Weight 5.2 kg
Power cable length 1.5 m
Manufacturer Warranty 3 years


Why Choose the FiltoSmart Thermo 300?

The Oase FiltoSmart Thermo 300 is designed for aquascapers and hobbyists who demand both performance and simplicity. Its integrated heater maintains a stable temperature for fish and plants, while its large filter capacity ensures long intervals between maintenance.

With its quiet operation, sleek design, and efficient filtration, the FiltoSmart Thermo 300 keeps your aquarium environment clean, balanced, and visually uncluttered – allowing your aquascape to take centre stage.