KENT Supreme Plus Alkaline + Copper RO Water Purifier (8L)
Best for: Buyers wanting KENT's RO with alkaline and copper stages
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Researched by Khushal Thakkar · Founder & Lead Reviewer
Tracking 328 products across 13 categories · Data from Amazon, Flipkart & brand websites · Last updated 2026-10-02
Our Verdict
Bottom line: The most-reviewed purifier we list: KENT's RO+UV+UF with alkaline and copper stages, TDS control and a UV LED tank, selling 800+ a month at about ₹15,600.
Pros
- 15,614 ratings, the most-reviewed purifier we list
- 800+ bought on Amazon in the past month (late September 2026)
- Alkaline and copper stages
- 3 years of extended free service after the 1-year warranty
Cons
- Rated 4.1★
- Amazon pools its ratings with the KENT Supreme Plus Neo
A good fit for
- Buyers who want alkaline water
Skip it if you want
- Tight budgets
How it compares
Next to the closest alternatives we list. This product's price is today's; the others are from our latest price check.
| Product | This productKENT Supreme Plus Alkaline + Copper RO Water Purifier (8L) |  KENT Supreme Plus Neo RO+UF+UV+Alkaline+Copper Water Purifier (8L) |  KENT Supreme IoT RO+UF+UV+Alkaline+Copper Water Purifier (8L) |  Native M1 Water Purifier by Urban Company (10-Stage RO+UV+Copper+Alkaline) |
|---|---|---|---|---|
| Price | ₹13,999Lowest | ₹16,499 | ₹17,999 | ₹13,999Lowest |
| Kitchen Score | 85/100 | 84/100 | 84/100 | 88/100Highest |
| Amazon rating | ★ 4.1 (15,614) | ★ 4.1 (15,614) | ★ 4.1 (370) | ★ 4.3 (7,715) |
| Type | RO water purifier | RO water purifier | RO water purifier | RO water purifier |
| Purification | RO + UV + UF + alkaline + copper + TDS control + UV LED in tank | RO + UF + UV + alkaline + copper + TDS control + UV in tank | RO + UF + UV + alkaline + copper + TDS control + UV in tank | RO + UV + copper + alkaline + mineraliser |
| Capacity | 8 L | 8 L | 8 L | 8 L |
| Flow Rate | 20 L/hr | 20 L/hr | 20 L/hr | — |
| Suitable For | Borewell, tanker and municipal water | Borewell, tanker and municipal water | Borewell, tanker and municipal water | Borewell, tanker and municipal water |
| Warranty | 1 year, plus 3 years extended free service | 1 year, with KENT service plan | 1 year, with KENT service plan | 2-year unconditional (filters, membranes and electricals) |
| Actions |
Swipe the table sideways to see all 4.
Expert Analysis
Design & Build
8 L storage.
Performance
RO + UV + UF + alkaline + copper + TDS control + UV LED in tank; 20 L/hr.
Indian Kitchen Fit
Suitable for: borewell, tanker and municipal water.
Value for Money
At about ₹15,600 it costs about ₹3,700 more than the KENT Grand for the alkaline and copper stages and extended service.
Indian Kitchen Score™
Our research-based judgment of how well this suits an Indian home, across five factors. It isn't a lab test.
How we scoreFull Specifications
| Type | RO water purifier |
|---|---|
| Purification | RO + UV + UF + alkaline + copper + TDS control + UV LED in tank |
| Capacity | 8 L |
| Flow Rate | 20 L/hr |
| Suitable For | Borewell, tanker and municipal water |
| Warranty | 1 year, plus 3 years extended free service |
| Special Features | Auto flush for the RO membrane |
| Model | Supreme Plus Alkaline+Copper |
Care & Maintenance
Replace filters when the indicator or brand schedule says so
Clean the storage tank during each service
Fit a pre-filter if your water carries a lot of sediment
Frequently Asked Questions
It's ₹13,999 on Amazon. The MRP is ₹23,500, so that's 40% off. We couldn't find this exact model on Flipkart.
KENT scores 92/100 for After-Sales Service in our Indian Kitchen Score™: our judgment of how established its service network and warranty are in India. Warranty on this model: 1 year, plus 3 years extended free service.
Type: RO water purifier. Purification: RO + UV + UF + alkaline + copper + TDS control + UV LED in tank. Capacity: 8 L. Flow Rate: 20 L/hr.