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ETAPAK Random Packing

The size and shape of ETAPAK random packing is designed for superior biological filtration. The maximum exposed surface area allows growth of microorganisms and enhances biological activity, liquid distribution, oxygen transfer, and low sludge production. The open nature of the packing and high void radius ensures flow patterns that allow continual contact between effluent, biomass, and circulating air. The open area enhances sloughing characteristics and minimizes potential blockages.