15x28cm Reptile Tank Heater 7W Under Tank Warming Mat EU Standard on July 27, 2026 July 27, 2026 Rated power: 5w, 7w, 14w, 28w. 7W: 15 28cm (suitable for 30cm tank). Ultra-thin plastic surface to minimize wear on the heating pad surface. 5W: 15 14cm (suitable for 20cm tank). 14W: 28 28cm (suitable for 45cm tank).