This product can be found in: Aquarium Heaters   UK Standard Delivery FREE on orders over £39* Available For Express Despatch Standard Despatch Cost + £2.99 This item is deliverable to most EU Countries From £7.99   Elite Pre-Set Submersible Heater 300 watt 55017 0 reviews | Login to review RRP: £23.78, Our Price: £16.49 Order Today to Save 31% off RRP The Elite Pre-Set Mini Submersible Aquarium Heater 300W offers accurate and reliable aquarium temperature. Its waterproof seal prevents humidity from entering the heater. It will stay at the same temperature to make sure that your tank is not subject to fluctuations and it is magnetically equipped to prevent arcing and burn-out. Key Features: Easy to read temperature settings. On/Off Pilot Light Indicator. High Impact Safety Glass. For Fresh or Saltwater aquariums. Ideal for aquariums up to 300 Litres.