The PuROTwist TQ56-100CV reverse osmosis membrane is an encapsulated membrane. The RO membrane housing and check valve are included with the membrane. There is no need to buy the RO membrane housing or check valve separately.

Features:

• Filters 100 gallons of water per day
  
• Reduces barium, cadmium, chromium III & VI, copper, flouride, lead, mercury, nitrate, nitrite, radium, selenium, and TDS
  
• Produces healthier and better-tasting drinking water and cooking water
  
• Reduces a high percentage of dissolved inorganics
  
• Use with a non-chlorinated water supply. The PuROTwist TQ56-100CV can be used with a chlorinated water supply as long as there is a Pre-Filter that filters chlorine