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Efficiency by Design and Commitment by Heart

Since 1986

  • OTT MAGNUM® Diffusers
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The OTT Group: Efficient, Dependable, Responsive

OTT MAGNUM® Diffusers

Over 30 years we have made a name for ourselves as expert suppliers of high-performance aeration systems for municipal and industrial wastewater treatment. We supply quality without compromises and always deliver what we promise.