Premium 4-Pack Winix WNP-770S Replacement Water Filters - 1 Micron Filtration for Clean Drinking Water - Compatible with Winix Air Purifiers & Water Dispensers - Home, Office & Kitchen Use

Caution: Before drinking the water please make sure to flush water thoroughly to ensure that the air is discharged. It is a process of removing carbon powder (charcoal powder) from the filter manufacturing process. Please let the water flow for around 2 minutes (4 liters). Repeat with each filter.