Bottom Track/Rail for 12' & 15' Round & Curved Side of 12'X16' - 18'X40' Saltwater 8000 Pool Models (56") Swimming pools It's durable material resists acids

It's durable material resists acids

These filters are also constructed with thermally bonded polyurethane caps and a punched PVC pipe core that will ensure consistent water flow through your filters along with the durability you depend on

Focus Metal-Out Plus controls staining and scale formation due to dissolved metals and minerals in the water

grass and even glass

clear water

Bottom Track/Rail for 12' & 15' Round & Curved Side of 12'X16' - 18'X40' Saltwater 8000 Pool Models (56") Swimming pools It's durable material resists acidsBottom Track Rail for 12' & 15' Round & Curved Side of 12'X16' 18'X40' Saltwater 8000 Pool Models.