Try looking up Visa-therm Stealth submersible aquarium heaters. Hows that to narrow your search results down?
Or i could just give you the website.
Or i could just give you the website.
Visi-Therm Stealth Heater
* Submersible aquarium heater combines style with reliable performance * Durable, shatterproof heater construction with "stealth" design * Accurately maintains aquarium water temperature within 1° Fahrenheit Sleek, inconspicuous aquarium heater design incorporates accurate, shatterproof performance. Reinforced plastic casing protects the components against thermal and mechanical shock to eliminate shattering. Shuts off automatically when out of water; restarts automatically when in water. Fully submersible. Temperature select dial and aluminum cylinder distribute core heat evenly and efficiently with ±1.0°F accuracy. Easy to set and install. UL-Listed.
Double sealed heater is completely waterproof and submersible. Direct read fahrenheit and centigrade scale make pre-setting temperatures very simple. The custom double-suction mounting bracket features an adjustable three-position window that ensures easy-to-view temperature setting. With a simple "click" of the dial, you choose the ideal water temperature. Water-calibrated to ensure precise temperature selection and superior performance. CSA listed. Marine design tolerates harsh saltwater tank conditions.
The Visi-Therm Stealth is a submersible aquarium heater which combines streamlined design with water calibrated accuracy. Features include: easy set adjustability, overheating protection, which shuts the heater off when removed from the water, reinforced plastic coating that protects components against thermal and mechanical shock, and a aluminum cylinder which distributes heat evenly and efficiently. The 50 watt Stealth can be used in aquariums up to 10 gallons in size.
It is going to be much more difficult to find info supporting his claims vs yours.
