Cation Resin Filter Cartridge (Refillable) 20"x4.5"

20" Big Blue Cation Resin Filter

• Cation exchange resin for hardness reduction & water softening
• Size: 4.5" x 20", fits Big Blue filter housings
• Ion exchange process - Water Softener Hard Water Filter
• Effectively reduces Calcium and Magnesium in tap water
• Removes low concentrations of Iron in tap water (for iron levels of 0.3 PPM and higher, use an Iron filter)
• Prevents hard water scale
• High Capacity - Water Softening Capacity: 4500 Grains of Hardness | Maximum flow: 5 GPM
• Operation Temperature Range: 40°F-125°F
• Operation Pressure Range: 40-80 PSI (Maintain a minimum operating pressure of 60 PSI to avoid home water pressure drops)
• All filters are individually wrapped and should be kept in a closed bag, moist, and stored at room temperature (40 to 75 Fahrenheit)
• Caution: Install this filter after the sediment filter to prevent rapid buildups. Follow with a CTO or GAC carbon filter to combat unpleasant odors effectively. Without a carbon filter after the Cation filter, there is no effective way to address the issue of foul odors.