Best Gravity Based Water Purifier In India [2021]

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Best Gravity-based Water Purifier: KENT Gold Optima Water Purifier

Top Pick

The Kent Gold Optima is a gravity water purifier fitted with a hollow fiber UF membrane.

The system does not allow harmful contaminants to pass through and delivers 100% safe potable water without using any chemicals.

Key Specifications

  • Installation – Table-top
  • Filtration Technology – Gravity-based UF
  • Storage Tank Capacity – 5 liters each for raw and purified water
  • Filtration Capacity – 0.31 liters per minute
  • UF Membrane – 0.1 Microns Hollow Fiber Hydrophilic
  • Filter Cartridges – SS Mesh, Sediment, Granular Activated Carbon
  • Life Expectancy of UF Membrane – 4,000 liters
  • Dimensions (mm) – 520 (H) X 230 (W) X 280 (D)
  • Weight – 3.6 kg

Pros

  • Ensures 100% microbe-free water
  • Excellent value for money
  • Easy to assemble and use

Cons

  • Sharp edges in design make it difficult to clean the tank

Kent Gold Optima is one of the best choices from Kent for non-electric, chemical-free water purification. It is suitable for low TDS water like tap or municipal water.

The elegant design of the purifier allows you to use it as a table-top water purifier. With a storage capacity of 10 liters, it is ideal for a small family.

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Gravity-based water filtration is one of the oldest methods of getting water purified.

However, over the years, the primitive styles of purification have changed, and companies have evolved their product designs to deliver some of the best gravity water purifiers at very affordable prices.

With ample choices available to you, it becomes difficult to decide which product to invest in. In this article, we have reviewed some of the best gravity water purifiers in the market today.

They vary in their capacities, prices, designs, etc. so that you can have your pick according to what best meets your needs!

Best Gravity-based Water Purifier Compared

Here’s a comparison between top Best Gravity-based Water Purifier: 

Product ImageProduct NameFeaturesPrice
KENT Gold Optima Water Purifier
  • Storage Capacity : 10 liters
  • Max Usage/ Filter Life (Liters): 4000
  • USP: Easy to assemble and use

Tata Swach Non-Electric Cristella Plus
  • Storage Capacity : 18 liters
  • Max Usage/ Filter Life (Liters): 3000
  • USP: Water level indicator

Tata Swach Non-Electric Smart Water Purifier
  • Storage Capacity : 15 liters
  • Max Usage/ Filter Life (Liters): 1500
  • USP: Automatic shutoff mechanism

Eureka Forbes Aquasure Xtra Tuff
  • Storage Capacity : 15 liters
  • Max Usage/ Filter Life (Liters): 1500
  • USP: Good brand reputation

KENT Gold+ Water Purifier
  • Storage Capacity : 20 liters
  • Max Usage/ Filter Life (Liters): 4000
  • USP: 100% microbe-free water

TTK Prestige Tattva 2.0 Water Purifier
  • Storage Capacity : 16 liters
  • Max Usage/ Filter Life (Liters): 1500
  • USP: No added chemicals

KENT Gold Star 22-litres Water Purifier
  • Storage Capacity : 22 liters
  • Max Usage/ Filter Life (Liters): 4000
  • USP: CE and WQA certified

Eureka Forbes Aquasure Aayush
  • Storage Capacity : 22 liters
  • Max Usage/ Filter Life (Liters): 4000
  • USP: Excellent product quality

Prestige Acrylic Water Purifier PSWP 2.0
  • Storage Capacity : 18 liters
  • Max Usage/ Filter Life (Liters): 1500
  • USP: Does not require electricity

Reviews of the Best Gravity-based Water Purifier

best overall rating

Tata Swach Non-Electric Cristella Plus

This non-electric gravity-based water purifier is identified by the name Cristella Plus.

The model is fitted with many features that cannot be found in other non-electric water purifiers. The scratch-resistant body is fitted with a high-quality, 2-way tap dispenser.

Key Specifications

  • Fitted with ultra-light, fast action Tata Swach bulb
  • Average Cartridge Life – 3,000 liters
  • Upper Storage Capacity – 9 liters
  • Lower Storage Capacity – 9 liters
  • Material – Non-toxic, food-grade plastic
  • Dimensions (mm) – 515 (H) X 300 (L) X 282 (W)
  • Weight – 2.1 kg

Pros

  • Removes 100-cr bacteria and 1-cr viruses from 1-lt of water
  • Easy to assemble and clean
  • Fitted with an auto-shutoff mechanism
  • Does not make use of iodine, bromine or chlorine
  • Does not require running water or electricity
  • Equipped with a water level indicator

Cons

  • Some customers reported leakage after a few days of use

With its silver nanotechnology, the Tata Cristella Plus effectively destroys microorganisms as per the USEPA guidelines.

The best part is that no electricity or running water is needed for this unit, which is a great respite for rural areas. It is a great, inexpensive water purifier for all.

best overall rating

Tata Swach Non-Electric Smart Water Purifier


The Tata Swach Smart water purifier is a gravity-based purifier that makes use of the silver nanotechnology to destroy microorganisms like viruses and bacteria as effectively as possible.

It does this without relying on electricity or running water supply.

Key Specifications

  • Cartridge life – 1,500 liters
  • Upper container storage capacity – 7.5 liters
  • Lower container storage capacity – 7.5 liters
  • Micro-mesh technology for removing minutest visible impurities
  • Tata Swach Lock for ensuring the genuineness of Tata Swach bulb

Pros

  • The sturdy, translucent body which is easy to clean
  • Removes 100-cr bacteria and 1-cr viruses from 1-lt water
  • Easy to fit Tata Swach bulb in a one-step process
  • Does not make use of additional chemicals for purification
  • Automatic shutoff mechanism
  • Internationally acclaimed for superior performance

Cons

  • Minor leakage was a frequently reported problem

The Tata Swach Smart water purifier is one of the simplest and straightforward purifiers to use. The genuine quality of the filters and robust and translucent build make for a long-lasting, inexpensive water purifier.

There is no use of chemicals for filtration, making it safe for home use!

best overall rating

Eureka Forbes Aquasure Xtra Tuff

The Eureka Forbes Xtra Tuff, as the name suggests, is a purifier with a toughened body made of non-breakable material to enhance its longevity.

Key Specifications

  • Purification Modules – Particulate Filter, Sediment Filter, Carbon Block, USEPA registered active disinfectant
  • Applicable TDS Range – Up to 200 PPM
  • Operation Type – Non-electric
  • Material – Non-toxic, food-grade engineering plastic
  • Purification capacity – 1,500 liters
  • Installation Type – Table-top
  • Weight – 2.5 kg
  • Dimensions (mm) – 500 (W) X 270 (D) X 270 (H)

Pros

  • Automatic shutoff to prevent overflow
  • Enhanced storage of 15 liters
  • Portability possible because of lightweight design
  • Easy to use
  • Good brand reputation

Cons

  • Some customers faced issues assembling the product

It is easier than ever before to expect 100% clean drinking water with the Xtra Tuff water purifier that does not require a running water supply, electricity, or plumbing to deliver purified water to you.

The 15 liters of storage ensure that purified drinking water is available to your family readily.

best overall rating

KENT Gold+ Water Purifier

The USP of this Kent Gold+ gravity-based water purifier has to be the tank-in-tank configuration that prevents overflow, which is a common problem in most gravity purifiers.

This model employs a gravity-based UF technology for water purification.

Check out the features of the Kent Gold+ water purifier in a quick video at:

 

Key Specifications

  • Maximum Duty Cycle – 120 liters per day
  • Filtration Capacity – 0.31 liters per minute
  • Storage Tank Capacity – 10 liters each for raw and purified water
  • UF Membrane – 0.1 Microns Hollow Fiber Hydrophilic
  • UF Membrane Life Expectancy – 4,000 liters
  • Filter cartridges – Sediment, Granular Activated Carbon, SS Screen
  • Maximum Operating Temperature – 35 °C
  • Dimensions (mm) – 540 (H) X 360 (W) X 380 (D)
  • Weight – 3.4 kg

Pros

  • Certified with the world’s top qualifications for performance
  • Fitted with an activated carbon filter
  • Ensures 100% microbe-free water with a 0.1-micron UF membrane

Cons

  • Filtration rate could be better

The elegant design of the Kent Gold+ water purifier allows it to be placed on any counter-top and dispense water as and when needed.

best overall rating

TTK Prestige Tattva 2.0 Water Purifier

The TTK Prestige Tattva water purifier is a gravity-based water purifier that recognizes the benefits of copper-dosed water.

The USP of this water purifier is the use of FACT media filters, i.e., fibrillated adsorbent, cellulose technology. The chemical-free purification makes the water extremely safe for you and your family.

The use of copper has added health benefits. It helps boost the immune system, strengthens bones, increases metabolism, and enhances hemoglobin synthesis.

Key Specifications

  • Filtration Rate – 9 liters per hour
  • Storage Capacity – 16 liters
  • Purification Life – 1,500 liters
  • Microorganism Filtration – 99.99%
  • Filtration Stages – 3 stages

Pros

  • Chemical-free filtration
  • No added chemicals
  • Copper storage container for added benefits
  • High average hourly filtration rate
  • A high ease of installation
  • Good value for money

Cons

  • Life of the filter candle should be longer

Prestige recognizes the benefits of copper storage for purified water. Many Indians prefer doing so for the many benefits that it offers, and combining this into the filtration unit’s design makes this an excellent choice for all!

best overall rating

KENT Gold Star 22-litres Water Purifier

The Kent Gold Star, with its 22 liters of storage capacity, stands out from the other gravity-based water purifiers in the market owing to its wall-mountable design.

The gravity-based water filter makes use of a hollow fiber UF membrane to give 100% purified water without making use of any chemicals.

Check out the features of Kent Gold Star in a quick video at:

 

Key Specifications

  • Storage Capacity – 8 liters for raw water, 14 liters for purified water
  • Purification Capacity – 22 liters per hour
  • Purification Technology – Gravity-based UF
  • Filter Cartridges – SS Mesh, Sediment, Activated Carbon
  • UF Membrane – 0.1 Microns Hollow Fiber Hydrophilic
  • UF Membrane Life Expectancy – 4,000 liters
  • Weight – 4.2 kg

Pros

  • CE and WQA certified water purifier
  • Chemical-free, non-electric purification
  • Wall-mountable, convenient design
  • Food-grade plastic construction

Cons

  • The purified water flow rate could be more

With its 22-liters of storage, this gravity filter is the best for fulfilling the clean water needs inexpensively. There is no need for running water supply or electricity, and yet this purifier reliably supplies purified water.

best overall rating

Eureka Forbes Aquasure Aayush

The Eureka Forbes Aquasure Aayush is one of the high capacity water purifier models. With the storage of 22 liters, the purifier can comfortably accommodate the clean water needs of any family.

Key Specifications

  • Storage capacity – 22 liters
  • Warranty – 1 year
  • Material – Food-grade plastic
  • Purification Technology – Gravity based
  • Weight – 3.2 kg

Pros

  • A high ease of assembly
  • Customers happy with the product
  • Easy to maintain
  • Excellent product quality
  • Better tasting water
  • Good value for money

Cons

  • Replacement process takes a few days

Eureka Forbes is a well-known brand that manufactures a wide range of water purifiers with different features and capacities.

The 22-liter Aquaguard Aayush is one of the best gravity-based water purifiers in the market that will meet all your clean water requirements.

The best part is that it does not even require electricity or running water to deliver 100% purified water! This makes it an excellent and affordable product for houses where there is unsteady water or electricity supply.

best overall rating

Prestige Acrylic Water Purifier PSWP 2.0

The purified water delivered by the Prestige Non-Electric PSWP 2.0 is as safe as boiled water, and therefore, it saves gas.

It is built to the highest standards that assure you of good quality. Some of the key specifications of this water purifier are detailed below.

Key Specifications

  • Purified Water Storage Capacity – 9 liters
  • Total Storage Capacity – 18 liters
  • Filtration Stages – 3
  • Warranty – 1 year
  • Flow Rate – 8 liters per hour
  • Purification Life – 1,500 liters
  • Pathogenic Reduction Rate – 99.99%

Pros

  • Compliant with the NSF 42 and US EPA standards
  • Does not require electricity
  • Saves gas
  • A high ease of installation
  • Excellent storage capacity

Cons

  • Does not remove dissolved salts

The Prestige PWSP water purifier is a unique non-electric, non-chemical, gravity-based purification unit. It is incredibly affordable and delivers clean drinking water at an impressive rate of 8 liters per hour.

If you are in the market for a quality gravity water purifier, the Prestige PSWP 2.0 is the one for you!

Best Water Purifier under 2,000

The Tata Swach 15-liter water purifier is one of the best gravity-based water purifiers under INR 2,000.

For such an inexpensive product, Tata Swach has fitted this 15-liter purifier with some of the best features like a Tata Swach bulb, an automatic shutoff mechanism, and a sturdy, translucent design.

The simple water purifier design makes it a straightforward process to assemble and use the unit. It eliminates the need for running water or electricity to deliver purified water.

The unit is fitted with a long-lasting cartridge that performs optimally for as long as 1,500 liters.

Internationally accredited for its quality, you cannot get a better option than the Tata Swach water purifier!

Best Kent Water Purifier

Kent water purifiers are some of the bestselling products in the market today.

The Kent Gold Optima is a non-electric, gravity-based purifier that combines the benefits of a UF membrane to achieve 100% microbe-free water.

It does not make use of any chemicals to purify the water and, therefore, does not alter the taste or odor of the water negatively.

The smart design of this water purifier makes it easy to clean and use as a table-top purifier.

The water purifier is an excellent addition to meeting any family’s clean water requirements at a very affordable price!

Buy it here from Amazon>

Best Eureka Forbes Non-Electric Water Purifier

The Aquaguard Xtra Tuff Non-Electric water purifier is the best gravity water purifier by Eureka Forbes.

The toughened body is the USP of this purifier that ensures long-lasting performance.

The unit is made of food-grade plastic and is lightweight.

The enhanced storage capacity of 15 liters makes the unit suitable for a household with 4 to 5 people.

A table-top water purifier with excellent warranty terms, enhanced storage, and automatic shut off feature, the Aquaguard Xtra Tuff water purifier is their best gravity-based unit!

Buy it from Amazon>

FAQs

Can I just boil the drinking water instead of buying a gravity water purifier?

Boiling water does not get rid of the chemical or biological impurities in the water. Only the physical contaminants are tackled, which would require almost 20 minutes of boiling. Boiling also removes the dissolved oxygen from the water. Contrarily, gravity water purifiers can remove all kinds of impurities and save gas.

When can a gravity water purifier be used instead of the electric variants?

A gravity-water purifier cannot work optimally with high TDS content in the water. Therefore, it is suitable for tap or municipal water. In the case of brackish water, it is better to make use of electric water purifiers.

How does a gravity-based water purifier remove contaminants from the water?

The design of a typical gravity-based water purifier typically involves a top and bottom storage unit separated by a filtration cartridge. The top container is where the raw water is introduced. Owing to the gravitational effects, the water then slowly moves through the filtration cartridge and into the lower storage chamber. This removes all kinds of impurities in the water that get filtered with the activated carbon cartridge.

Is it safe for me to use hot water in my gravity water purifier?

The filtration cartridge that is fitted in most gravity water purifiers has an optimal temperature range within which it can operate. This is typically 10 to 35 degrees Celsius. Temperature beyond this range could potentially damage the filtration membrane.

Can I use a gravity-based water filter for a lifetime?

Although the body of the water purifier may last for a long time, the filtration cartridge within has an expiry period. This period typically lies in the 1,500 liters to 4,000 liters range. The same is specified in the provided product manual. This cartridge should be replaced from time to time to get the best results.

Can I use a gravity water purifier in the village?

Yes, a gravity water purifier can be used with village water. However, the filter will not be as effective is the input water is hard. The filter cannot remove excess calcium or other TDS content from the water.

Summary

In a world of electric water purifiers, the gravity-based water purifiers are a breath of fresh air.

Making no demands for running water supply or a stable electrical connection, gravity water purifiers provide 100% clean drinking water that can quickly meet the needs of an average household.

They are inexpensive, long-lasting, and provide ample storage capacity so that there is no hassle for constant filtration. There are several brands to choose from, and we have reviewed some of the best products to make the purchase decision easier for you!

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