Aquafresh RO 18 Ltr Comes in 3 different models which include (5 Stage | 7 Stage | 7 Stage + Alkaline) you can choose whichever you want.

• 5 Stage: RO System
• 7 Stage: RO+UV+UF+TDS
• 7 Stage + Alkaline: RO+UV+UF+TDS + ALKALINE

Aquafresh Supreme model comes with 1 Year of warranty along with 5 Free Items.