It is placed on the "back" of the refrigerator, that is, externally at the rear. It is simple to connect and does not require a technician, it fits easily. It retains rust, stones, mud, suspended particles, chlorine, and other heavy metals, while simultaneously improving the taste and smell of the water. It can be installed in refrigerators that already have a filter and produce ice cubes or have a water faucet, as well as in ice makers and coffee machines.

It replaces the following models: 5231JA2012A, 5231JA2012B, 5231JA2010A, 5231JA2010B, 3650JD8050A, 3890JC2990A, BL-9808, 5231JA2003B, 5231JA2010C, BL-9303. 

It is recommended to replace it every 6 months for better results.