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BWT 9682 In Tank Water Filter and Softener Cartridges
This is the all-in-one softener and filtration cartridge that goes to the In Tank Water Filter and Softener. Each filter cartridge contains 100 grams of softener resin. At a water hardness level of 10 grains, this cartridge will last for 49 liters of water. Many of our home espresso machines have close to 2 liter water reservoir. This would mean that at that water hardness level and reservoir size the filter would last for ~25 refills of the water tank.