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Topic: How often should I change the cartridge in my shower filter? (Read 66 times)
Good day all! Guys, tell me how often you need to change the cartridge in the shower filter? I know that the cartridge is designed for 13,000 to 15,000 gallons of water. But the problem is that I don't know how to properly calculate the water! I bought this shower filter. I hope you can help! Thanks in advance.
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