* These heaters are designed for under water use.
State-of-the-art, patented graft carbon panel is used for the
heating unit.
* The entire body is insulated and water-proofed with
chemical-resistant glass-reinforced polyester resign.
Warning : It must be used under water.
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Feature 1 : High performance in heat creation and
transfer due to its wide surface create smooth start up when it
was turned on.
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Feature 2 : Very good heat efficiency.
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Feature 3 : Less chance of wire breakdown
allowing usage in long time.