The Aquatop HTG Glass Aquarium Heater with Protective Guard, rated at 400 W, is an essential tool for maintaining optimal water temperatures in your aquarium. Designed with durability in mind, this heater features a sturdy glass construction and a protective guard to ensure safety for your aquatic pets. Its perfect for both freshwater and saltwater tanks, offering reliable performance to keep your fish comfortable. For top-quality aquarium supplies, visit MorphMarket to explore this heater and more innovative products for your underwater ecosystem.