Keeps water clean use spring water not tap,usually needs to be cleaned every 2 wks unless our Rag dolls drink from their paw,we do rinse these

Keeps the water nice and fresh

I gave this five stars, but I have never drunk from it, so can't vouch for how good the water tastes

Cats also retain enough of their wild instincts that they like running water, which they know to be safer than stagnant water, so Drinkwell fountains are ideal

I have six cats and they are constantly using the water fountain which they love

Filters the water for my kitties so they have clean water!

It keeps the water clean and free of debris

I love that my dogs get fresh filtered water every day

I am so glad I discovered the fountain and these filters are so inexpensive to keep my catties drinking water clean!

Gotta keep the pets water clean

They keep the water perfectly clean

Water doesn't get stagnant

My cat loves his clean water

gives our cats a constant supply of clean drinking water.

Always works well to clean up the drinking water.

My doxies love their water fountain and these filters fit perfect

These keep the water clean for much longer.

Since the fountain now comes with the pump placed stupidly inside the fountain, which means it is in the water, the filter keep the water clean which is very important

I think it will be every 2 or 3 weeks, because after a month, the filter, motor and drinking fountain are very slimy and gross, and it takes forever to get the slime off, even with hot water and Dawn dish soap

Great for the water drinking well for cats

, I just don't think they filter the water as well because of the gaps at the sides

Knowing that I am giving him the cleanest water makes me happy too.

The filter keeps the water very clean for days.

My cat does not like black water....:)

My cat loves to drink the water and especially loves it after I clean the fountain and change the filter

need to change offten to keep water fresh

I have heard fountains are so loud that the cats are frightened but this one is whisper soft and he drank from it and enjoyed the moving water

Catches all the dog hair and keeps water clean.

Of course, I give him fresh water once or twice a day, depending on the weather

Filtered water is highly recommended for dogs with liver/kidney issues and that is why I bought a Drinkwell for my babies.

I only use purified water in the fountain and use these filters to keep the water cleaner.

They fit perfect in the fountain, and I know my dogs are gettting fresh water everyday.

The filters are very helpful in keeping the water clean for cats like mine who have a habit of dropping their food I to their Drinkwell fountain.

cat loves his water now

My cats are really enjoying their clean tasting water

Although I accidentally order the wrong filter, I used to have a water fountain compatible with this one and it worked perfectly.

I'd pay anything I could afford to keep him happy and healthy, and I want him to have the cleanest, safest drinking water possible in his fountain, which he loves, by the way

These filters work great they keep the water clear of the nasty tastes in the water my cat likes the water a lot better.

They keep the water clean, catch hair and debris, and keep the water fresh

I have a Drinkwell Zen model fountain for my cats, so I only change the filter every two months, but I also change the water and clean any trapped fur from the pump weekly.

These charcoal cartridges make the water seem fresh to them for a long time

Plus the filter gives me peace knowing he'll have clean water

Not happy with the fountain - it's too weak - poor cat can't drink the water without licking the side, so no amount of filtering is working.

Essential for keeping the water clean in the Drinkwell fountain.

We love the filtered water for our fur babies

They are easy to install, and can be cleaned and reused to extend their functional life without losing water quality

works great and she loves always having fresh water

The fountain still needs a weekly washing but with 3 kitties and a dog, the filter keeps their water clean for a week at a time!

Used for my cats drinking fountain and works perfectly to clean the water!

These work fine to keep water clean but they seemed to have gotten smaller, width wise.

Works well best water

Keeps the water clean and fresh.

Dogs deserve clean water just like humans.

Before you install this filter you'll need to rinse it well with cold water to clean the loose charcoal

I use the product in the pet well fountain to keep the water clean and they work just fine.

I still change the water every couple of days and rinse off the filters, but they work great with the fountain.

Keep water clean and fresh.

When I see the fountain getting a little gross after a week or two, I dump and clean it, and then I rinse the filter out with cold water and reuse it.

It's easy to use and gives my cats safe drinking water

Its kind of a pain to clean the fountain because you have to take it apart and clean each piece to do a good job, but the clean running water is definitely worth it.

Keeps pets water clean and fresh.

It works, the water stays clean and my wife thinks I'm a genius because we do not have to pay up the wazoo for these stupid

Gives me peace of mind that I'm keeping the water clean for my cat.

I also clean the filter and the whole unit on a daily basis to keep the water fresh.

For starters when I placed one of the filters in cold water to soak, prior to installation, approximately 15 - 20% of the carbon filter material ended up in my sink

Keeps the water clean and fresh for months.

Delicious water.

I would recommend these water fountain filters to anyone who loves their babies as much as we do to give them fresh water, but wouldn’t mind saving a few pennies here and there when possible.

I like to change them on a regular basis to keep the water clean

I loved that it keeps the water purify and clean for my cats.

They keep his water fresh and clean and they are easy to change.

And buying these filters for years for my cat to cat feeders can’t say enough about them right the only thing I would recommend is that you were in some really good under clear water before putting them into the tank just way any excess charcoal doesn’t come out in the water as the sentiment in the dish

They are very important for the kitties to have clean water.

Keep my puppies water clean

My cats love it and the fountain actually keeps water a bit cooler in the summer heat for them

I feel better knowing they have clean water.

Thanks to these filters, the cats drink better water than I do

The fountain continues to run like clockwork and my two 19 year old cats get to drink fresh water and they’re pretty healthy (especially for their advanced age)

keeps the water very clean

Works well - at least my cats and visiting dogs enjoy the water,

Fresh water in a flowing stream, the way she likes.

Cats love the water

Thank you for having this, the cat's water is clean and flowing nicely.

They work at keeping the water cleaner for a little bit longer between cleanings

I noticed excessive dirt being thrown through the water and cleaned everyday trying to solve the dirty water, but it seems the filter was faulty

Kitties love the fountain and the fresh water

Drink well watering for cats

They do last longer than recommended if you keep the water fresh and clean the fountain often.

Now changing it out with these regularly helps keep the motor running and keeps the water clean

Keeps the water flowing with clean water and the cats love it!

The water looks great

Cats also retain enough of their wild instincts that they like running water, which they know to be safer than stagnant water, so Drinkwell fountains are ideal

Our cats love clean water these work well.

Our cats love their fountain and l love how fresh the water is after changing the filter.

As long as you remember to rinse them in cold water before using them, this will eliminate any excess carbon so that it doesn't show up in the water

My kitten has always preferred running water out of the faucet, so this is the ideal solution.

mycats love their fresh water and this filter keeps it fresh

these are great in keeping the calcium off the bowl of the fountain,so therefor it keeps the water clean for your furkids

Good water filter, it last between 2 to 4 weeks

Now we have a bulky water bowl and spoiled cats who just stare at it and refuse to drink if they don't see us pour fresh water in

Works great, clean water all the time.

keeps the water clean and clear

I have 2 pet fountains and these keep the water fresh and the cats drink from

There is not much that you can say about a charcoal filter for water that you don't drink .... but they are well made, fit in the slot of the drinkwell fountain, my kitty is happy and she has clean water... win win

The filters are easy to install and do a good job of keeping the water in the fountain clean for a couple of weeks.

Keep water clean just wish the filters came 6 to a pack instead.

Clean water for your pets

Happy cats have clean water and no gross slime mold.

Keeps water in pet fountain clean and fresh.

If you buy these filters in the bulk packs it brings the individual price of each one down and is easier on the wallet, and you have peace of mind knowing your pet's water is clean and your fountain should operate at best efficiency.

It filters out all the bad stuff through a carbon filter so the water is fresh

but thing if there was a way to clean water for 2-3 weeks without the "evidence" of the agent, cats would form a 'pride' and flock to it.

I'll just pack up the now useless water fountain and give it to Goodwill.

It keeps my cats' water cleaner and keeps them happy

They do seem to keep the water clean and fresh although I advise the water is changed every couple of days

Have rinsed several more times to get the water looking clear again

The water stays free of odor and my pets drink lots of water

Keeps the water clear.

Such a small price to pay to give your animals clean water.

so my cats have fresh, clean water to drink any time they want!

The worst thing is they made the water some strange purple

You have to rinse this first really well in cold water before putting it in the fountain.

These are great for keeping the water clean in our cats water fountain.

gets you clean water

it maintains clean and the water tastes fresh.

I rinse it well with cold water on both sides when I clean the fountain each week

right the only thing I would recommend is that you rent some really good under clear water before putting them into the tank just way any excess charcoal doesn’t come out in the water as a sentiment in the dish

They need to be cleaned about every 3-4 weeks and these filters help keep the water fresh

My cats are back to normal and the water stays clear like it used to

I found this causes issues when refilling the fountain, as even with a proper water level, the water flows over the

work great cats love the clean water

We only give our cat purified water and this filter gives me piece of mind that it will stay filtered.

work great cats love the clean water

Keeps the water nice, fresh and clean for my 3 senior dogs.

Keeps the water in my pet fountain cleaner and fresher.

Now we have a bulky water bowl and spoiled cats who just stare at it and refuse to drink if they don't see us pour fresh water in

Keeps the water clean.

I normally don't give one or five star reviews unless it's as bad or good as it can possibly be

They work as they should!

Doesn't keep the water as clean as it says

Since this is the only filter that will work with my fountain, I guess it works as it should.

Buy these every few months for my small pet fountain, and they work as they are supposed to

It will sink t the bottom of the bowl and chill there til you clean it out.

It will sink t the bottom of the bowl and chill there til you clean it out.