Waterdrop WD-CS-52 is compatible with 3M Water Filter CS-52. The WD-CS-52 water filter is made from Korean premium carbon block, along with Japanese coconut activated carbon. This model was tested and certified by NSF International against NSF 42 standards to reduce chlorine, taste and odor in your drinking water.Compatible with:
*Please note this is a compatible water filter. The water filter is not sourced by or sponsored by 3M. The manufacturer's name and part numbers have been used for reference purposes only. Waterdrop is an independent brand.Operation Specification: