Consumer Water Filtration

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Water Treatment

This study covers the United States consumer market for water filtration systems primarily designed to decrease the amount of contaminants and minerals in households’ water. Systems purchased by consumers for personal use outside of the home (e.g., during leisure activities, pleasure, work, or school) are also considered, as are consumables, such as replacement filters and membranes.

System demand numbers included in this study represent conventional filtration water treatment systems. Systems that incorporate higher-level treatment, such as reverse osmosis systems, are excluded. However, replacement filter demand includes filters sold to all system types. Replacement filter demand includes filters sold for conventional filtration systems as well as for systems with higher levels of treatment, such as those with membrane filtration.

Refrigerator water filters and pitchers are excluded because these systems are originally sold to equipment manufacturers and only the replacement units are sold to consumers.

Historical data for 2009, 2014, and 2019 and forecasts to 2024 and 2029 are provided for consumer water filtration systems demand both in units and in current dollars (which are not adjusted to account for inflation).

Key breakouts for consumer water filtration systems include filtration type, system type, and region.

Filtration types include:

  • activated carbon filters
  • mechanical filters

System types include:

  • whole-house, i.e., point-of-entry (POE) water purification
  • point-of-use (POU):
    • under-the-sink
    • countertop
    • faucet-mounted
    • flow-through
    • other POU systems (e.g., atmospheric, shower and bath filters, water bottles, filter straws)

The main designation for filtration systems is the point at which treatment occurs, entry or use. Point-of-entry treatment is defined as treatment at the location where water enters the household for the first time, prior to being dispersed to the home’s faucets. Point-of-use treatment is defined as treatment at the point where water will be consumed or used for other purposes.

Consumables, including replacement water filters, are also included in this study.

Demand for consumer water treatment systems is also segmented by the following US geographic regions: Northeast, Midwest, South, and West.

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