OUPUSES PW04 18-Pack Filters for Oneisall 3.5L Cat Fountain – Limescale & Odor Reduction

Overview

The OUPUSES PW04 18-pack filter set is designed for the Oneisall 3.5L cordless cat fountain. With 18 filters and 18 pre-filter sponges, this kit provides a reliable, year-long filtration supply that helps keep fountain water clean with less hassle.

What’s Included

• 18 PW04 filters
• 18 pre-filter pump sponges
• Designed specifically for the 3.5L Oneisall fountain

How the Filtration Works

Each filter blends multiple media to address common water quality concerns in homes with pets. The combination of high-density cotton, activated carbon, and ion exchange resin targets odors, hair, dust, and metals so water can feel fresher at the tap.

Ease of Use & Replacement Schedule

• Soak each filter for 5 minutes and rinse for 30 seconds before first use to reduce carbon dust
• For optimal performance, replace every 2–4 weeks (adjust for multiple pets or heavy use)

Practical Benefits & Real-World Use

Clean water can encourage pets to drink more regularly, which some households notice as a practical outcome. While results vary, the filtration aims to maintain a pleasant taste and reduce lingering odors in between refills.

• Fresh-tasting water with reduced odors
• Filtration designed to minimize impurities and help maintain water clarity

Quality & Sustainability

Made with food-grade, pet-safe materials and tested for durability. The kit emphasizes responsible design and comes with responsive customer support and a satisfaction pledge.

Care & Maintenance Tips

• Rinse thoroughly after soaking and store in a dry place between changes
• Keep the fountain clean and follow the replacement cadence to maintain performance