Large Commercial Kold Ster-il Filtration System

The larger system uses twenty inch canisters (blue sump) 1 ½" Npt. Threaded fittings, flows 14-20 Gpm (75.7 Lpm) for 150,000 gallons (567750 L) and it's last state 0.50 µm Carbon (size: 4" diameter x 20" length) doesn't contain a charged ceramic. However, the discs are much larger (30) 3 ¾" and it's filter bag 4" x 18 ½" is also much larger. The larger system replacement media costs hundreds of dollars but capable of providing water for $0.002 per gallon or less for commercial usage.