Phosphate Pre-Filter Protects Your Bottleless Water Cooler
If you're concerned about sediment, scale, rust or lime in your water supply, you may want to protect your cooler and add a phosphate pre-filter. The optional phosphate filter can be used on any Vertex PureWaterCooler and reduces scale that could potentially damage the cold or hot tanks. Filter measures 2" x 10" - NSF listed.
Replace every 6 months.