Multi-media sand filters normally consist of three media layers (ie. support base gravel, micro screened sand and anthracite) and are a very economical means of primary filtration to remove the bulk of suspended solids. They are particularly efficient on surface waters for the removal of grit, sedim..
Nextsand is a newer technology based on a rare natural mineral that is highly processed and refined. It has twice the capacity of multimedia filters, and a higher flow rate of 3-4 times that of multimedia, with Nextsand media lasting 5 years or more. The Nextsand filter is controlled by an automatic..
Multi-media sand filters normally consist of three media layers (ie. support base gravel, micro screened sand and anthracite) and are a very economical means of primary filtration to remove the bulk of suspended solids. They are particularly efficient on surface waters for the removal of grit, sedim..