The EFH 500 S is a floating fountain pump designed for outdoor use all year round. If the pump is allowed to operate with one of the nozzles supplied during a frost-free period, not only will it provide a visually attractive fountain but also additional oxygen to the pond. During frost periods the fountain nozzles can simply be exchanged for a special floating attachment so the pump can be used to keep the pond free of ice. This effect is guaranteed to -20°C.
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