Rainwater can contain harmful bacteria and debris, and that is why you need our Adelaide tank filters. At Freshwater Systems, we deal with the best rainwater filters available on the market. We are a South Australian owned and operated business specialising in water treatment equipment. We have successfully cemented our position in the Total Water Management industry, and we take pride in our quality products and unmatched customer service. Freshwater Systems has been in the industry for over 65 years. We are thrilled to be recognised as industry leaders, and we are gradually gaining traction Australia wide.