Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System

The Purewell 3-Stage Gravity Water Filter System uses a 0.01μm ultrafiltration membrane and other layers to filter tap and natural water, removing impurities and improving taste.

• The description claims that the system removes 99.99% of impurities, including chlorine, rust, sediment, organic material, and heavy metals.
• The description claims that the system can filter down to 0.01μm, which is more precise than most gravity filters.
• The description claims that the system clears up to 4 gallons per hour.