1) n plus 905 (Water Softener)
 It is especially produced to solve the problems considering the roughness of the water circulating in heating-cooling systems of the companies using well water. The amount of use depends on the roughness.

2) n plus 910 (Water Softener)
 It is especially produced to solve the problems considering the roughness of the water circulating in heating-cooling systems of the companies using well water. The amount of use depends on the roughness.