This thermostatically controlled cable provide a uniform approx. 72 - 76° F. soil temperature, ideal for many species of flowers and vegetables. Features an automatic, in-line thermostat. For placement under flats on insulation board, or may be installed in a greenhouse sand bench. Plugs directly into a 110 volt receptacle. 48 ft. cable: 168 watts, covers 12 sq.' area.
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