25W 50W 100W Aquarium Heater, Submersible Glass Heater for Fish and Turtle Tanks (25W)

【Adjustable and Precise】The temperature is adjustable, with a range of 20℃-34℃ (68℉-93℉).【Safety】The aquarium heater is made of 2mm thick quartz glass, 33% thicker than ordinary glass. It is explosion-proof and not easily cracked, making it very safe for people and animals.【Stable and Practical】This aquarium heater has a beautiful appearance and a shorter length, saving space for your fish. It features an 8-slot multi-branch ceramic heating wire frame for better heat dissipation and a longer lifespan.