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These are the two most popular Kent water purifiers with RO, MF and RO, UV technologies.

You can see list of our Pureit Classic RO+MF vs Pureit Advanced RO+UV below, perform Side-by-Side comparison. If you need further help, do have a look at Conzumr Guides and Tips. Alternatively you can view all Water Purifier to choose your own favourites.


Reverse osmosis is the key principle behind RO water purifiers. Water from higher TDS (total dissolved solids) level – that is, very hard water – is transferred to the lower TDS level through a filtering membrane. RO technology uses high pressure to push water through an extremely fine filter or membrane. The holes in this membrane are as small as .0001 microns. They remove dissolved salts along with pollutants and other physical contaminants including virus, and harmful metals, minerals, bacteria and microorganisms. Most of the RO purifiers also comprise of TDS controllers (to adjust the TDS level). The filter is kept clean by flushing the separated contaminants so they drain away.

In the quest to live healthier lives, many people have turned to water filters. Some water filters fit into pitchers to provide clean drinking water. Some filters attach to faucets and filter water as it flows out of the tap, and still others filter water as it enters a house so that all of the water in the home is filtered.


Hindustan Unilever Classic RO, MF

Rated Voltage 165 - 240 V ac, Food safe, non-toxic, engineering grade plastics, Advanced 6-stage Technology, Advanced Voltage Fluctuation Guard, Convenient 5 Litres Storage Tank, TDS Removal upto 1800 PPM

Advanced 6-stage Technology: Advanced 6-stage purification through RO + UV technology

Advanced Voltage Fluctuation Guard: This protects your purifier from sudden voltage fluctuation as high as 300 volts and also works in low voltages of 150 VAC.

Convenient 5 Litres Storage Tank: Pureit Advance RO + MF* has 5 litres of storage tank, so you can get purified water even when there is no electricity

TDS Removal upto 1800 PPM: Turns hard water upto 1800 ppm into soft and sweet water Break Resistance Tap: Tested upto 50,000 times to ensure that it lasts long

Hindustan Unilever Pureit Advanced RO, UV

Rated Voltage 165 - 240 V ac, RO plus UV Filter, Advanced 6-stage Technology, Auto Shut Off, Food safe, non-toxic, Engineering-grade plastics, Flow rate 12 liters per hour

Advanced 6-stage Technology: Advanced 6-stage purification through RO + UV* technology

Advanced Voltage Fluctuation Guard: This protects your purifier from sudden voltage fluctuation as high as 300 volts and also works in low voltages of 150 VAC.

Convenient 5 Litres Storage Tank: Pureit Advance RO + MF* has 5 litres of storage tank, so you can get purified water even when there is no electricity

TDS Removal upto 1800 PPM: Turns hard water upto 1800 ppm into soft and sweet water Break Resistance Tap: Tested upto 50,000 times to ensure that it lasts long

Germkill performance standard: Meets stringent international criteria for microbiologically safe drinking water – e.g. Environmental Protection Agency (EPA), USA.


Side by Side comparison

Alt Model #
Classic RO, MF : Pureit Classic RO+MF
Pureit Advanced RO, UV : Pureit Advanced RO+UV
Series #
Classic RO, MF : Classic
Pureit Advanced RO, UV : Pureit Advance
Classic RO, MF
Pureit Advanced RO, UV
Highlights
Installation
Classic RO, MF : Wall Mounted
Pureit Advanced RO, UV : Wall Mounted
Purification Capacity Per Hour
Classic RO, MF : 12 Ltr/hr
Pureit Advanced RO, UV : 12 Ltr/hr
Classic RO, MF : RO + MF
Pureit Advanced RO, UV : UV+RO
UV+RO: Ultra Violet & Reverse Osmosis
Power Consumption
Classic RO, MF : 36 W
Pureit Advanced RO, UV : 55 W
Storage
Classic RO, MF : 
Pureit Advanced RO, UV : 
Tank Capacity
Classic RO, MF : 5 L
Pureit Advanced RO, UV : 5 L
Electric
Classic RO, MF : Electric
Pureit Advanced RO, UV : Electric
Warranty(Months)
Classic RO, MF : 12
Pureit Advanced RO, UV : 12
Warranty Terms
Classic RO, MF : 
Pureit Advanced RO, UV : 1 year warranty
Design
TDS Controller
Classic RO, MF : 
Pureit Advanced RO, UV : 
Number of Purification Stages
Classic RO, MF : 5
Pureit Advanced RO, UV : 6
Colour
Classic RO, MF : White
Pureit Advanced RO, UV : White
General Specification
Total Dissolved Solids
Classic RO, MF : 200 mg/lit (min) – 1800 mg/lit (max)
Pureit Advanced RO, UV : 200 mg/lit (min) – 1800 mg/lit (max)
Applicable TDS Range in Input Water
Classic RO, MF : 600 mg/lit (max)
Pureit Advanced RO, UV : 600 mg/lit (max)
Input Water Turbidity
Classic RO, MF : 1 NTU (max)
Pureit Advanced RO, UV : 0.3 mg/lit (max)
Input Water Iron content ( Max)
Classic RO, MF : 0.3 mg/lit (max)
Pureit Advanced RO, UV : 0.3 mg/lit (max)
Purification
Classic RO, MF : High TDS (Borewells)
Pureit Advanced RO, UV : High TDS (Borewells)
High TDS (Borewells): Water sourced from borewells with high TDS (Salty/Khaara/Brackish Water)
Classic RO, MF : Micro Filtration, Post-Carbon Sediment Filter, Post-RO Carbon Filter, Pre-Sediment filter, RO Membrane
Pureit Advanced RO, UV : Post-Carbon Sediment Filter, Post-RO Carbon Filter, Pre-RO Carbon Filter, Pre-Sediment filter, RO Membrane, UV chamber
Post-Carbon Sediment Filter: Removes remaining fine and coarse particulate impurities/dirt and improves life of RO Membrane.
Post-RO Carbon Filter: Last level of purification acts like a polisher and enhances the taste of purified water.
Pre-Sediment filter: Pre-Sediment Filter for Heavy Sediment and Particulates (Dirt, Rust, Sand, Silt). It removes fine and coarse particulate impurities and improves life of the Carbon Filter.
RO Membrane: Unique RO technology membrane removes excess TDS, blocks dissolved impurities and chemical contaminants, while retaining essential minerals in the drinking water. It also helps removing dissolved salts, hardness, pesticides and heavy metals like arsenic, lead and mercury.
Post-Carbon Sediment Filter: Removes remaining fine and coarse particulate impurities/dirt and improves life of RO Membrane.
Post-RO Carbon Filter: Last level of purification acts like a polisher and enhances the taste of purified water.
Pre-RO Carbon Filter: Removes chlorine and organic impurities like harmful pesticides. It also adsorbs bad taste and odour-causing organic compounds from water.
Pre-Sediment filter: Pre-Sediment Filter for Heavy Sediment and Particulates (Dirt, Rust, Sand, Silt). It removes fine and coarse particulate impurities and improves life of the Carbon Filter.
RO Membrane: Unique RO technology membrane removes excess TDS, blocks dissolved impurities and chemical contaminants, while retaining essential minerals in the drinking water. It also helps removing dissolved salts, hardness, pesticides and heavy metals like arsenic, lead and mercury.
TDS Reduction
Classic RO, MF : 90% (min)
Pureit Advanced RO, UV : Typically 20–25%
% Water Recovery
Classic RO, MF : 20-25
Pureit Advanced RO, UV : 20-25
Membrane Type
Classic RO, MF : -
Pureit Advanced RO, UV : Thin film composite spiral wound
Weight and Dimensions
Net Weight
Classic RO, MF : 5.8 kg
Pureit Advanced RO, UV : 5.8 kg
Width
Classic RO, MF : 380 mm
Pureit Advanced RO, UV : 380 mm
Depth
Classic RO, MF : 165.6 mm
Pureit Advanced RO, UV : 165.6 mm
Height
Classic RO, MF : 422.6 mm
Pureit Advanced RO, UV : 422.6 mm
Power
Rated Voltage
Classic RO, MF : 240 V
Pureit Advanced RO, UV : 240 V
Input Voltage
Classic RO, MF : 165 - 240 VAC/ 50 Hz
Pureit Advanced RO, UV : 165 - 240 VAC/ 50 Hz
Length of Power Adapter
Classic RO, MF : 1.5 m
Pureit Advanced RO, UV : 1.5 m


Guides and Tips

Reverse osmosis is the key principle behind RO water purifiers. Water from higher TDS (total dissolved solids) level – that is, very hard water – is transferred to the lower TDS level through a filtering membrane. RO technology uses high pressure to push water through an extremely fine filter or membrane. The holes in this membrane are as small as .0001 microns. They remove dissolved salts along with pollutants and other physical contaminants including virus, and harmful metals, minerals, bacteria and microorganisms. Most of the RO purifiers also comprise of TDS controllers (to adjust the TDS level). The filter is kept clean by flushing the separated contaminants so they drain away.

In the quest to live healthier lives, many people have turned to water filters. Some water filters fit into pitchers to provide clean drinking water. Some filters attach to faucets and filter water as it flows out of the tap, and still others filter water as it enters a house so that all of the water in the home is filtered.


What you need to know before buying a water purifier

Water being the most vital element of our life, its purity should be accorded the highest priority by each of us. Water is our Life Line. Many diseases in the third world are either water-borne or due to contaminated water. Unlike the western countries where tap water is safe for drinking, the water that comes through taps in the developing world...

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