The Uni range of Sewage Treatment Plant is manufactured to the highest standard and to the Quality standard, ISO 9001:2000.

Marsh Industries Limited occupies a unique position in the field of reinforced plastics, having the technical expertise and experience gained from over 25 years in the Construction Industry in the United Kingdom.

Uni 6, Uni 10, and Uni 12 are suitable for populations 6, 10 and 12 persons. Sewage Treatment plants up to a population of 300 persons are available.