SOBO Stainless Steel Aquarium Heater, 500W Submersible Fish Tank Heater for 300 to 500L Freshwater Aquariums

500W HEATER FOR LARGE TANKS - Designed for aquariums from 300 to 500 L / 79.3 to 132.1 gal, making it suitable for larger freshwater fish tank setups. STAINLESS STEEL HOUSING - 304 stainless steel body is more durable and less likely to break than many standard glass heater designs. FULLY SUBMERSIBLE DESIGN - Built for in-tank installation and continuous everyday heating use. WIDE TEMPERATURE RANGE - Adjustable from 12 to 34°C / 53.6 to 93.2°F for flexible aquarium heating control. 39 CM HEATER LENGTH - Approximate heater length is 39 cm / 15.35 in for larger tank compatibility. SUPPLIED WITH SUCTION CUPS - Includes mounting suction cups for more secure placement inside the aquarium. BEST FOR FRESHWATER USE - 304 stainless steel construction is best suited to freshwater aquariums; confirm compatibility before use in marine systems.