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  • Extends the life of tankless water heaters, pipes and appliances by reducing the harmful effects of scale buildup
  • Low maintenance – lasts 2 years and doesn’t require heavy bags of salt for replacement
  • Does not require electricity, drainage for wastewater, or complicated salt replacement
  • Replacement filter for the THD-AS20 Aquasana 20 in. Salt-free water conditioner for tankless water heaters (Internet #205477661)


  • Brand: Aquasana
  • Dimensions: H 20, W 3, D 3
  • Weight: 2 lbs
  • Water Treatment Type: Water Conditioner System

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