Pool heater electric submersible 3000W rapid heating with timing. Electric submersible water heater 3000W for swimming pools, fast heating performance. Suitable for portable use in inflatable pools, bathtubs, plastic barrels, foot baths, and other water containers. Ideal for home use, providing comfortable warmth during colder weather. High-quality and safe design: Features a copper heating element and stainless steel outer casing for durability and rust resistance. The protective design helps prevent direct contact with the heating element, enhancing user safety. The heater has a high-quality PP shell made from non-toxic, odorless, environmentally friendly material, ensuring safe and long-lasting use. CE certified for quality and safety assurance. Wide application: Designed for various water containers including inflatable pools, bathtubs, and plastic pools. Offers reliable and efficient heating performance. Note: There may be a 2-3 cm variation due to manual measurement. Slight color differences may occur due to monitor display settings.