For years, the name Visi-Therm has been the industry standard for excellence in aquarium heater performance and reliability. Now there is the Visi-Therm Deluxe - an advanced-design submersible aquarium heater that constitutes the next important step in aquarium heating technology. Water-calibrated to ensure precise temperature selection and superior performance, the Visi-Therm Deluxe delivers the ultimate in direct-set control, compact double-sealed durability...and certified accuracy to within one degree. With a simple inclick in of the dial, you choose the ideal water temperature. The custom Double-Suction Mounting Bracket features an adjustable three-position window that ensures easy-to-view temperature setting. And, of course, every Visi-Therm Deluxe is CSA listed... designed to exacting standards for extended submersion and operational safety. It is available in 25, 50, 75, 100, 150, 200, 250 & 300 Watt sizes.
25 Watt - 5 gallon tank, 50 Watt - 5-20 gallon tanks, 75 Watt - 5-25 gallon tanks, 100 Watt - 10-40 gallon tanks, 150 Watt - 20-50 gallon tanks, 200 Watt - 25-65 gallon tanks, 250 Watt - 50+ gallon tanks, 300 Watt - 55+ gallon tanks,