Nature2 W28146 Replacement Mineral Cartridge for G45 Pool Sanitizers

The Nature2 W28146 Limited G45 Replacement Cartridge is a mineral replacement for Nature2 Professional G or Pro G Plus systems. Its three post design fits three-post limited and two-post professional vessels for pools from 35,000 to 45,000 gallons. The G45 Cartridge creates clean, clear, safe pool water while helping to prevent algae growth and eliminate contaminants. While at the same time reducing the overall amount of chemical used per month.  The Nature2 W25946 Limited G45 Replacement Cartridge is a mineral replacement for Nature2 Professional G or Pro G Plus systems.  Ports: 3" Fits professional-vessels only (2-Post design fits only 2-Post vessels) Weight: 3 lbs Run Time: Six hours minimum Capacity: 35,000 to 40,000 gallons Dimensions: 13.75". x 4.63". Cartridge lasts up to 6 months Cartridge Flow Rate: 25-120 GPM (internal bypass) Installation: after filter, before or after heater, and always before any chemical dispenser