FillFast Marine is the ultimate pre-filter for fresh water tank fills, watermakers, water softeners, RO systems, and filling spas with metal free water. FillFast removes up to 98% of oxidized and ionic stain-causing metals. This extends the life of your RO membranes, removes heavy metals, and reduces staining. Each patented Chelok Filter helps treat up to 10,000 gallons of source water.
FillFast Marine is the ultimate pre-filter for fresh water tank fills, watermakers, water softeners, RO systems, and filling spas with metal free water. FillFast removes up to 98% of oxidized and ionic stain-causing metals. This extends the life of your RO membranes, removes heavy metals, and reduces staining. Each patented Chelok Filter helps treat up to 10,000 gallons of source water.