Remineralization Filter for All Series Waterdrop Reverse Osmosis Systems-Waterdrop MNR35

Replacement for Waterdrop all series RO Systems
Regular price £31.99
Sale price £31.99 Regular price
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Estimated Delivery Time


UK Standard Shipping

2-4 Business Days


UK Express Shipping

1-2 Business Days


* Shipping charges for your order will be calculated and displayed at checkout.

* The Delivery Time is calculated based on the shipping date, not the order date. The actual shipping date can be delayed due to invalid shipping address, weekends/holidays, etc.

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We need 24h to 48h to prepare your order, most of the packages will be shipped out within 24 hours except weekends and holidays.

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Once your order is shipped, you will receive an email from us containing the tracking information. Tracking information is also available in your "Order Details" page.

Shipping areas

The products can be delivered to the most regions of the UK except military BFPO address (postcode starting with BT, BFPO, BF1, HA46DQ, D18CX65, E41TR26, D24HK7D), Channel Island (GUERNSEY, JERSEY, IRELAND).

International shipping

We are sorry that the international shipping service is not supported for the time being.

Shipping Carriers

Amazon functions as our logistics partner to ship out Waterdrop products. They will choose the carrier that they think works best for our customers.
Note: We don't accept requests to specify a certain carrier to deliver the package.

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We work with multiple Amazon warehouses in the United Kingdom, will arrange shipments from closest warehouse nearby your address.

* If you have any questions, you can contact our customer contact customer service within 24h for help via LiveChat or email to, we will reply to you as soon as possible!

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Return & Refund policy

Thanks for shopping at Waterdrop. We appreciate the fact that you like to buy the stuff we build. We also want to make sure you have a rewarding experience while you’re exploring, evaluating, and purchasing our products.

Order Cancellations:

If you wish to cancel an order, please contact our customer service team.

1. If you contact us within 24 hours of purchase:

Since most orders ship the same day, kindly email us at contact or call us at (888)-352-3558 within 24 hours of placing the order. There will be no cancellation fees for standard items canceled before shipment. If the package has already been shipped, we will provide a prepaid label for return, and once we receive the package from you, we will issue a refund.

2. If you contact us after 24 hours of purchase:

  • In such cases, you will need to bear the shipping fee if the package is already shipped (subject to our system status, not the order status).
  • The product must be damage-free, packed in the original packaging we sent to you, and returned with the original receipt of purchase.
  • We will process your refund after receiving the package.

14-day Risk-free Return Policy:

  • You are eligible to return any item* within 14 days of receipt.
  • All returned items must be disassembled and repackaged as they were originally received.
  • The 14-day risk-free return policy applies to all item*.
  • No restocking fee will be charged, but customers are responsible for the return shipping cost.
  • Please note that the 14-day risk-free return policy is only valid for orders* within the continental United Kingdom.

Return after 14 Days of Receipt:

  • You may still return any item after 14 days of receipt.
  • In this case, customers are responsible for the return shipping cost. The total cost of shipping will be deducted from your refund.
  • All returned items must be disassembled and repackaged as they were originally received.
  • A 10% restocking fee will be applied for all returned products.

1-year Warranty:

Enjoy peace of mind and confidence in your purchase with our 1-year warranty, backed by lifetime technical support.

If you receive a damaged item and wish to file a claim, please email with your order information and a picture of the damaged or incorrect product. We are eager to assist you.

For products that become defective during the warranty period due to a quality issue, rather than your own breakage or misuse, we can accept a free return, provide free repair service, or issue a new replacement.

Exchange Policy:

1. Defective Products:

If you receive a product with quality issues or damages, please contact our customer service team within 30 days of receipt. We will provide you with a free exchange service. Please provide order information and photos of the damaged product when contacting our customer service team for better assistance.

2. Non-Quality Issues:

If you wish to exchange a product for non-quality-related reasons, please note the following:

  • The product must be within 30 days of purchase and unused.
  • The product must be returned in its original packaging, along with the original purchase receipt.
  • You will be responsible for the re-shipping costs.
  • Please note that the exchange policy is only applicable to orders made on the official

How to Return a Product?

If you would like to return a product, please follow these guidelines:

Step 1: Contact our customer service team before returning a product. We will respond with return instructions within 24 hours.

How to contact us:


Toll-free Tel: (888)-352-3558

Step 2: Prepare the package after receiving confirmation from the customer service team, and please note the following requirements:

  • Include the order number in the package. You can print out the order detail page or leave a note inside the package.
  • Ensure the package contains the original receipt of purchase.
  • Return the product in the original packaging we provided.
  • The product must be damage-free (this does not apply to defective products, as damage will void the refund).

Step 3: Contact our customer service and provide your return tracking number. We will track the package and process your refund within 5 working days after receiving and inspecting the package.

General Information for All Returns:

  • You are responsible for shipping the products to the return address provided.
  • Returned items will undergo inspection before issuing a refund.
  • Refunds will be processed within 5 working days after the item has been inspected, and it may take 4-7 days to be reflected in your credit card statement.
  • We highly recommend using a traceable and insurable shipping method for your return. We are not responsible for returns lost or damaged in transit, and you will need to file a shipping claim.
  • Please note that orders made via 3rd-party sellers, including Amazon, are not eligible for our return policy.
  • All returned items must be disassembled and repackaged as they were originally received. Items returned in a condition other than "like new" will be subject to a 10% restocking fee to cover repairs or part replacement. The restocking fee will be deducted from your refund.

Return Address:

Contact our customer service for a return address.

Note: If you are returning a Reverse Osmosis or any other large / high value item (that cost more than £100) you must contact us. Large / Special Items Please note that the following large / high value items must be returned in their original condition or at least in a reasonable / re-sellable condition. The above special items which have been opened will only be refunded if they prove to be faulty, or damaged.

Price Match Policy:

At Waterdrop, we highly value our customers' shopping experience. That's why we offer a 30-day price match guarantee. If you happen to notice a price reduction on the item you purchased at within 30 days of your purchase, you are eligible to claim a price-match refund. To request a refund, please contact us at We are here to assist you promptly.

Note: This Waterdrop price-change refund policy only applies to items shipped and sold by If you're buying from a different vendor, you'll need to contact that seller if the price drops.

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Remineralization Filter for All Series Waterdrop Reverse Osmosis Systems-Waterdrop MNR35

Regular price £31.99
Sale price £31.99 Regular price
Model Number
Feed Water Pressure
14.5-87psi/ 0.1-0.6MPa
Feed Water Temperature
41-100℉/ 5-38℃
Feed Water Requirement
Municipal Tap Water
Max Daily Production Rate
Filter Use
12 months or 1100 gallons

What is RO mineral water?

RO mineral water commonly contains substances like magnesium, calcium, sodium, and zinc, and, according to recent research, they’re actually a pretty effective way to boost your mineral intake. A recent study found that remineralized RO water has some legitimate health benefits.
At its core, remineralized RO water provides minerals the human body can’t create itself. While you don’t need to drink bottled water to get your magnesium RDA, those pricey bottles are a legitimate method of consumption. In addition to promoting healthy bone development, the study also notes “significant benefits for healthy digestion” thanks to magnesium sulphate, sodium sulphate, bicarbonate, and chloride.

The benefits of drinking RO mineral water

Bone enhancer
Improve bone health and help prevent diseases such as reducing post-menopausal bone density. It also maintains muscle performance with its magnesium content.
Lowering bad cholesterol
Bad cholesterol increases your risk of heart disease and heart attacks.Scientific studies reveal that remineralized RO water lowers harmful cholesterol due to its magnesium and potassium content.
Promotes digestion
Help digestion by increasing the amylase secretion from the pancreas with its sulfate content
Beautiful sink
RO mineral water, with its rich mineral content, also contributes significantly to maintaining skin health. It moisturizes the skin and delays wrinkles.

What does Waterdrop MNR35 RO remineralization filter add into your water?

The RO remineralization filter adopts natural materials to restore minerals like calcium, magnesium, sodium, potassium, etc.

What is the difference between this RO remineralization filter and other brands?

Backed by the advanced PCC mineral active technology, Waterdrop follows the exact ratio between microelements. It adopts natural materials to restore minerals like calcium, magnesium, sodium, potassium, etc.

How long do the filters last?

The RO remineralization filter is 12 months or 1,100 gallons.

Can this filter be installed directly onto the main kitchen sink faucet?

Yes, this RO remineralization filter connects with 1/4” tubing which can compatible with most reverse osmosis water system in the market, under sink water filtration and refrigerators.

Why is the RO remineralization filter necessary?

Because reverse osmosis water filtration system has a high filtration accuracy, leaving no minerals in the filtered water. While drinking mineral water is beneficial for human body, so MNR35 RO remineralization filter is a perfect add-on filter offering fresh and beneficial water.
Advanced remineralization tech
  • Waterdrop remineralization filter adopts PCC technology to activate the crystalline structure of minerals, simulates the formation mechanisms of mineral spring to activate every mineral and guarantees product’s quality.
Adds abundant natural minerals and mircroelements
  • Remineralization filter adopts natural materials to restore minerals like calcium, magnesium, sodium, potassium, etc. Drinking this kind of water will, in the long run, help prevent chronic diseases, slow down aging process, and improve digestion and immunity.
Spring water from tap
  • This remineralization filter as an independent water filter is designed to compatible with 1/4” quick connect tubing.
  • It could connect with most reverse osmosis water systems on the market or under-sink water filtration system, which let you enjoy “spring water” coming from your tap.
Eco-friendly and cost-efficient
  • Waterdrop remineralization system
  • Saves 8300 single-used water bottles per year
  • Saves $12600 per year
  • *compared with popular mineral bottled water in market
Mineral water’s benefits
  • Bone enhancer: Improves bone health and help prevent diseases such as reducing post-menopausal bone density.
  • Lowers bad cholestero: Lowers harmful cholesterol due to its magnesium and potassium content to protect your heart.
  • Promotes digestion: Helps digestion by increasing the amylase secretion from the pancreas with its sulfate content.
  • Beautiful sink: Its rich mineral content moisturizes the skin and delays wrinkles.
  • *Contents mentioned above are benefits of mineral water, not remineralization filter.
Easy to install
  • Step 1: Select a place to attach the filter and install the fixed support.
  • Step 2: Connect the 1/4” tubing with your device’s inlet and outlet.
  • Step 3: Put the filter in the fixed support.
For RO water filter systems
You can connect the filter directly to your RO water filter system. A perfect combination that gives you pure RO water with improved taste!
For under-sink water filter
The filter can be directly installed under your kitchen sink. You can enjoy remineralized water with better taste directly from your faucet.
For refrigerators
There is no difficulty in connecting the remineralization filter to your refrigerator. This way, you get iced water and ice cubes that are made by remineralized water.

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