The standard filter for the Athena is the MSF and the Sediment filter. The Biostone plus is recommended as a replacement filter for US city water. The MUF is recommended for people on well water. Instead of the Sediment filter you can install two of the regular filters for better filtration.
Products (Total Items: 5)
Please call us at 888-734-7885 or initiate an online chat above if you have any questions in selecting the proper filter for you