The hygger ETL Certification Aquarium Heater is a durable and reliable heater that is perfect for keeping your aquarium warm. With a detachable Type-C cable, it is easy to set up and store. The heater features thickened quartz protective glass and a bottom protective cover, making it resistant to scratches and punctures. The heater also features a stable suction cup and double seal, making it leak-free and dust-free.