3M? Commercial Steam Filter Systems?
3M? Softener and Scale Reduction Systems reduce maintenance and increase energy efficiency by reducing hard scale in water.
3M SF165 Filter System-High Temp., (Replacement Cartpak-56138-11); Reduces sediment, chlorine taste and odor, scale with a 54,000 gal (204,412 lit) capacity, 3 micron rating, and a 5 gpm (18.9 lpm) flow rate.