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Filters

Whole-house Water Filtration Systems

Whole-house filtration must be matched to source-water testing, household flow and the contaminants to be addressed. The product listed here is the Gravity Well Ultra Emergency Water Filter System; do not assume its emergency-water application is equivalent to a plumbed whole-house installation.

Buying and planning guide

Distinguish the two applications

A whole-house system treats water entering household plumbing. An emergency filtration workflow may prepare water separately for collection and use. Review the Gravity Well Ultra's specific operating instructions and intended connection method rather than assuming it can serve every faucet or replace a pressure-rated plumbing system.

Identify the treatment problem

Test source water and select treatment with appropriate documented reduction claims. Sediment, dissolved chemicals, salinity and microorganisms require different approaches. A filter should not be assumed to remove all of them, and visual clarity alone does not establish drinking-water safety.

Check flow and servicing requirements

For any proposed whole-house installation, assess demand, pressure, pretreatment, replacement media and maintenance access with a qualified water-treatment professional. Ask for model-specific evidence for the contaminants involved. Do not select solely by household size or an advertised maximum flow rate.

Compare the emergency alternatives

For field equipment, visit portable emergency filtration. Compare water distillers and stored drinking water as separate options, not equivalent substitutes. See the CDC treatment-system overview.