Aquarium Systems Visi-Therm Stealth Heater has an advanced streamlined design with water-calibrated VisiTherm accuracy and performance assurance.

Visi-Therm Heaters deliver the ultimate in easy-set adjustable temperature aquarium heater, shatterproof durability, and efficient overheat-protected operation. Visi-Them Heaters are completely submersible.

Start-up is easy as 1-2-3. Just set it, install it and plug it in.

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.

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