Tigerlily Enterprises 300W Submersible Aquarium Heater – Adjustable Thermostat Stainless Steel Energy-Efficient Fish Tank Heater for 200L – 300L Freshwater & Saltwater Aquariums

• HIGH-QUALITY STAINLESS STEEL - Scratch-resistant, corrosion-resistant, 100% explosion-proof, with double-layer waterproof protection ensures the indestructibility of the heater against mechanical damage and burnout.
• BUILT-IN THERMOSTAT - Automatically maintains the set temperature between 12°C and 34°C.
• SUITABLE WATER VOLUME - 50W=20-50L, 100W=50-100L, 200W=100-200L, 300W=200-300L, 400W=300-400 aquariums.
• WATER COMPOSITION - Can be used in a Freshwater or Marine aquarium.
• PROLONGED SERVICE LIFE - The heating rod is heated for 5-10 minutes during the heating process, and it will automatically stop for 2 minutes after reaching the set temperature, so that the heating rod will not be overworked, thus prolonging its service life.

This stainless-steel heater is an indestructible device that heats any liquid in full immersion. It has a precise and durable thermostat with a wide operating scale (12°C - 34°C) and a proven design of the heating element. The heater is completely waterproof and is designed for continuous operation, even when fully submerged. The heater is made of stainless steel and will successfully heat up and maintain the temperature selected by the user. The design and high durability allows it to be used in the aquarium hobby as well as in the food industry. Built-in thermostat allows for precise temperature programming and keeps the liquid at the desired temperature constantly. When the heating rod is in operation, it is recommended to install a water circulation system such as a water or air pump to ensure the entire aquarium maintains a balanced temperature. Specifications: 230V power supply (100cm power cable included). 50W, 100W, 200W, 300W, 400W power. operating range: from 12°C to 34°C. Designed for the aquariums between 20L to 400L. Overall dimensions (with a knob) are 190mm, 300mm and 330mm x 30mm Precautions: Prior to water changes or cleaning, please unplug the appliance for 15 minutes beforehand to avoid burns. Do not use detergents, solvents, acidic liquids to clean. Do not let children touch or play with the appliance. This stainless steel heating rod is only suitable for fresh water The heating rod must be completely submerged in the water.