AquaMiralce 25W Aquarium Heater with Compact Size, Submersible Fish Tank Heater with LED Digital Display Thermostat, Adjustable Fish Heater Turtle Heater for 3-5 Gallon TanksBrand: AquaMiracle Color: Black Features: COMPACT DESIGN This aquarium heater boasts an exceptionally compact size, likely the smallest available. It's approximately half the length of standard fish heaters, offering a revolutionary solution to the persistent issue of bulky heaters that aquarists often face. Despite its diminutive size, it delivers robust heating capabilities, providing a temperature range of 64F to 93F. ADVANCED TEMPERATURE