Ista External Inline Heater 500W

The ISTA External Heater 500W is engineered for aquarists with larger tanks who want clean, efficient, and accurate heating without bulky equipment inside the aquarium. Designed to connect to external canister filters, this inline heater offers superior performance while keeping your setup neat and unobstructed.

• High-capacity 500W power – perfect for aquariums up to 500L  

• Inline design keeps your tank clear and clean  

• Easy installation on 16/22mm canister filter hoses  

• Digital temperature control with precision accuracy  

• Built-in safety features to prevent overheating

• Ideal for freshwater, planted, and tropical tanks

Perfect for hobbyists and professionals seeking powerful and discreet temperature control.