Aquasana AQ-4125 Shower Filter Replacement

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  • It's like showering in natural spring water!

    The BPA free, two-stage filter lasts six months, reduces chlorine and harmful chemical vapors, enhances pH balance, prevents soap scum build-up, and provides the highest quality shower water for the cleanest, healthiest shower experience.

    Replacement filter for Aquasana shower filters. Two-stage filter lasts 6 months, reduces chlorine and VOCs, enhances pH balance, prevents soap scum build-up and provides the very highest-quality shower water.

    Water Filter Replacement

    The AQ-4125 replaces filters in the Shower Filters (AQ-4100, AQ-4100NSH and AQ-4105). This also replaces AS-SH-P-R AUSTIN SPRINGS SHOWER FILTER.

    Installation Guide


    Now offering service in Hong Kong Island, Kowloon & New Territories (except remote village areas) to help you install your replacement cartridge. Please select "With Installation" before adding to Cart!

  • Performance of AQ-4035

    Removes over 90% of chlorine in shower water
    Reduces synthetic chemicals for improved air quality
    Enhances pH for the purest shower possible


    Replacement cartridge works with the Premium Shower Filters (AQ-4100)
    Unique dual media filter system provides superior shower filtration
    Stage 1 Zinc and Copper media filters chlorine and enhances pH
    Stage 2 Carbon media filters synthetic chemicals
    Long filter life of 6 months or 10,000 gallons
    Easy to install, replace and maintain.


    Significantly improves the look and feel of skin and hair
    Ideal for people with sensitive skin and lungs
    Enhances performance of health and beauty products - use less soap, shampoo and conditioner
    Helps preserve hair color treatments
    Eliminates unpleasant odors from water

    Aquasana Premium shower filter lasts up to six months and is easy to install and maintain. Enjoy the clean, revitalizing benefits of an Aquasana Shower for as little as 30¢ per day.

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