Oneisall PW04 fountain/drinking bowl filters (6 pieces)

The Oneisall PW04 dedicated filter kit provides effective filtration, removing hair, dust and other impurities from the water. The multi-layer activated carbon filtration system removes impurities, improving the taste and smell of the water, encouraging your cat to drink more often and supporting its health. The filters are easy to install, just rinse them with water for 5 minutes. The product is not compatible with the wired model PW03, so please make sure you have the right fountain before purchasing.

Warranty: 12 months

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User view

Oneisall PW04 fountain/drinking bowl filters are a real hit for all dog and cat owners who want to always provide their furry friends with fresh and clean water. They are usually used by those who have active animals or multiple pets at home, where the water flow in the water dispenser is constant and it is important that the water remains free of unpleasant odors or impurities.

Oneisall has earned the trust of many pet lovers with its innovative solutions in the field of animal care. With this filter set, users solve classic problems with water hardness and prevent the formation of limescale, which means less worry about your pet's health and easy maintenance of the drinking bowl.

Why buy at Enaa

At Enaa, you can count on proven quality and experience, as we only select original accessories from trusted brands such as Oneisall, and at the same time, your choice is easy because we clearly label products that fit into specific fountains and waterers for your favorite furry friends.

Answers to frequently asked questions

Are these filters suitable for all types of Oneisall fountains?

The PW04 filters are designed specifically for Oneisall fountains and drinkers, but we recommend that you check compatibility with your fountain model before purchasing.

How often should filters be replaced in daily use?

We recommend changing the filter every 3 to 4 weeks, depending on the number of animals and the water quality in your environment.

Do these filters affect the taste or smell of the water?

Yes, Oneisall PW04 filters effectively remove chlorine, unpleasant odors and particles, making the water more pleasant and fresher for your pets.

Can the filter be washed and reused?

These filters are not intended to be reused or washed - once saturated, simply replace them with a new filter from the kit.

Are the filters also suitable for puppies and older animals?

Of course, Oneisall PW04 filters are safe for all ages and breeds of dogs and cats, as they contribute to better hygiene and safety of the water in the fountain.

Description updated: October 2025