4.8/5 Based on 13,427+ Customers

Say Goodbye To Hard Water:
Protect Your Pet From Urinary Stones

Veterinary-Approved Design

Four-Layer Filtration Technology Purifies Water

Reduce Urinary Tract Stone Disease

NSF Certified Filter Element, 99% Efficient Antibacterial

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AMAZING! - I've been using this cat water filter for a while now and it's easy to change and the water stays clear and new! 

Jenni H. Verified Purchaser
FOOD GRADE RESIN
SOFT WATER QUALITY
ACTIVE FILTRATION
SMELL REMOVER
HIGH DENSITY MICROPORES

Customers Love Our Filter

Soften Water To Prevent Urinary Tract Diseases In Pets

FILTER UNIT 3.0 helps soften minerals such as magnesium and calcium in tap water, helping to prevent urinary tract diseases, a common health problem for cats.

Is Your Pets Still Drinking Unclean Water?

Whether it is purified water or boiled water, bacteria and other harmful substances will grow if it is left for more than 6 hours. If you cannot change the water every 6 hours, please use a filter to protect the water source for about 720 hours (30 days).

FILTER UNIT 3.0 Provides You with Water Purification Solutions

Four-Layer Filtration With Powerful Filtration

Four-Layer filtrations effectively filter hair, impurities, residual chlorine and other heavy metal elements, caring for your pet's health.

Independent Enhanced Filter Element

Porous weak acid ion exchange resin and large diameter coconut shell activated carbon; the filter material is 100% more than the previous generation, and the filtration performance is better.

NSF Certified Replacement Filter

Human-grade drinking water standards comprehensively improve the quality of pet drinking water, making your pets love drinking water more.

99% Effective Antibacterial

Through its efficient antibacterial function, it can effectively reduce the impact of bacteria on pets and reduce the risk of pets suffering from bacterial infection-related diseases.

Why Choose FILTER UNIT 3.0 ?

Our Advantages

Enhanced high-quality filter element. Independent filter element material adds ion exchange resin combined with coconut shell activated carbon, with stronger filtering ability and better water purification effect than the previous generation.

Antibacterial Rate 99%

Specially researched antibacterial filter element, purifies water to filter 99.8% Candida albicans, 99.5% Staphylococcus aureus, 98.9% Escherichia coli, multiple antibacterial, pets drink water more healthily.

*The sterilization rate is tested by a third-party authoritative testing agency, test standard: GB/T20944.3-2008

NSF Certified Replacement Filter

NSF certification standards are usually similar to those of human drinking water, which means that the water filtered by the filter element cotton sheet is of high purity and is not only suitable for pets to drink, but can even reach the quality of human drinking water, providing pets with a better quality and healthier drinking water experience.

*NSF (US NSF Drinking Water Standard) is the designated partner of the World Health Organization (WHO) on drinking water safety and treatment issues. Many countries use NSF as the standard for human drinking water.

Our Hero Ingredient

High Iodine Coconut Shell Activated Carbon

High adsorption capacity, low resistance, decolorization, deodorization, removal of organic matter and residual chlorine.

Ion Exchange Resin

Removes calcium and magnesium, softens water quality, and effectively prevents pet stones and urinary system diseases caused by calcium and magnesium.

Specially Added KDF

Effectively blocks impurities and heavy metal elements in water, inhibits the reproduction of microorganisms and reduces mineral scaling.

High-density Microporous Filter

Stronger antibacterial properties, comfortable and soft, made of food-grade raw materials, fine filtration to remove insect eggs, scale, sand particles and hair.

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Recommended by Veterinarians

Smart Pet Water Fountain Filter is specially designed for pets’ healthy drinking water. It can effectively soften the water quality, thus preventing common urinary problems of pets.

The multi-pass filtration design blocks hair and impurities in the water layer by layer, effectively filters residual chlorine and heavy metal elements, and provides purer drinking water for pets, making every sip healthier.

What Smart Pet Water Fountain Filter
Owners Are Saying

Best Deal

Doing the math, this is the best deal I could find for a year supply of filters. Good water flow filters are easy to change and clean, and a good value filter for the money.

Oscar   Verified Purchaser
Keeps the Water Clean

I love this filter for my pets, works great, fits perfectly, keeps the water fresh and clean. Keeps the cats drinking water clean and they love it more.

Sophia H.   Verified Purchaser
Filters as Expected

These are filters for cat water fountains. They work great as long as my kids don't pour all the cat food into the fountain. They are the same shape and size as the more expensive ones from the manufacturer.

Emily   Verified Purchaser
Good General Purpose Filter

I use these as a cat water fountain and they work great. They are very versatile and we used them for about 2 weeks. I recommend these with filters if you have pets.

Grace L.   Verified Purchaser
Sooo Perfect

I can't find any faults with this filter, the water always smells and looks clean, and if you are looking for a reliable and effective water filter for cats, this one is a good choice.

Isabella   Verified Purchaser
Great Filter!

Exactly as described. I like the price, buying these in bulk saves money, and I keep a water dispenser running for my cats. The filter keeps hair, dirt, and dust out while keeping the water quality ideal.

Tina K.   Verified Purchaser

30 Day Money Back Guarantee

Experience all the health benefits for your pet with the Smart Pet Water Fountain Filter, trusted by over 134,270 satisfied customers. If you're not satisfied, our friendly customer support is ready to provide you with a hassle-free, no-questions-asked return process!

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  GUARANTEED HIGH QUALITY

Installation is easy and takes only seconds to complete, providing your pet with a continuously clean and healthy living environment.

 FAST SHIPPING

Savingdailys ships directly to the address of your choice, making shopping and gift giving easy.

 ALWAYS AT YOUR SERVICE

Experience peace of mind with our 24/7 customer support, ensuring that we're always here when you need us.

Frequently Asked Questions

Why choose FILTER UNIT 3.0?

Quadruple Filtration Process:

Each pet water fountain filter consists of two layers of high-density microporous filter cotton, natural coconut shell activated carbon and ion exchange resin, which is chemical-free, safe and healthy. Healthier than other filters with only two or three filter materials. Quadruple action purification can filter hair and residue, absorb odor and soften water.

Better Purification performance:

Compared with most pet water fountain filters on the market, Smart Pet Water Fountain Filter contains more activated carbon, and the ample filling has stronger adsorption capacity than other filters, so it can achieve better purification performance.

Keep Pets Healthy:

Pet water fountain filters can filter hair and residue, absorb odor and soften water. They can improve the taste of water and keep water fresh. Help you encourage your pet to drink more water and stay healthy.

Independent Packaging is Safe and Hygienic:

It is convenient for the storage of the filter element, and it can also effectively prevent moisture and be more hygienic.

How often should the filter be replaced?

It is recommended to replace it every 2-4 weeks. Depending on the frequency of your pet's drinking and the number of pets, when using a water fountain, please replace the filter of the cat water fountain every 1 to 2 weeks in summer and every 2 to 4 weeks in winter.

Which pet water fountain filters are suitable?

These Smart Pet Water Fountain Filters are designed to fit seamlessly with a variety of popular automatic pet water fountains, including Catit Flower Fountains, etc. These filters are round and have a diameter of 5.5 in (14cm).

What should I pay attention to when using?

When installing, please place the convex side upward.
Please soak the filter element for 15-20 minutes before use. Before use, the filter should be soaked and rinsed under running water to prevent the activated carbon powder from falling into the water.
Please replace the cat fountain filter after 2 to 4 weeks of use to keep the water fresh and clean.
A small amount of carbon dust may be released during the filter's life, but this is harmless to your pet.

How long will my order take to arrive?

All orders will be shipped USPS within 48 hours after order confirmation. Please allow 2-5 business days for standard delivery. You will receive an email confirmation with your tracking number after your order is shipped. You may track your package or sign up for SMS shipping alerts by going to the carrier’s website, www.USPS.com.

4.8/5 Based on 13,427+ Customers

Limited Time: Claim
Your 60% Off Today

Fast Shipping: Reliable & Trusted USPS

Easy Returns: Full Refund or Replacement

Simple to Use: Place in Pet Drinking Fountain and Enjoy

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