This Sierra drinking water 30 Gallon Per Day, 4-stage R/O System offers leading edge reverse osmosis technology and performance with a compact, economical unit.   
Features:

• The Sierra NS-1N30-00 Reverse Osmosis System utilizes a four-stage process:
  
• Stage I and II: Encapsulated 25 micron filter removes dirt, rust, sediment and chlorine. This increases the clarity of the drinking water while prolonging the life of the membrane
  
• Stage III: The high-performance reverse osmosis membrane reduces metals and salts such as lead, sodium and fluoride.
  
• Stage IV: The water passes through an encapsulated, granular-activated carbon post-filter to remove unpleasant flavors and odors caused by chlorine and organic materials
  
• The Kinetico Sierra RO System includes a 2 gal. storage tank, tubing and quick-connect fittings, and a standard air gap drinking water faucet.
  
• Stainless steel construction is durable and guaranteed lead-free
  
• Membrane replacement monitor ensures a consistent supply of great-tasting water 

Additonal Applications:

• Ice Cubes
  
• Coffee
  
• Tea
  
• Cooking
  
• Houseplants
  
• Household Appliances