This is an inexpensive, high performance shower filter. This popular model will effectively filter the shower water for a period of one year. For extra strength and durability it is ultra-sonically welded to create a permanently sealed unit. Contains a non carbon filter media which removes: Free Chlorine Combined Chlorine (Sodium Hypochlorite) Hydrogen Sulfide (rotten egg smell) Iron oxide (rust water) Dirt Sediment Odors plus it is pH balanced

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