HOETEK 16+16 Replacement Filters for Oneisall PW04 3.5L Cat Fountain

HOETEK 16+16 Replacement Filters for Oneisall PW04 3.5L Cat Water Fountain

Keep your cat fountain performing at its best with HOETEK replacement filters and sponges. This pack is designed to complement the Oneisall PW04 3.5L wireless fountain, delivering a streamlined filtration setup that you can rely on day after day. The result is a steady stream of water that stays clear and ready for your cat to drink as needed, without the guesswork of mixing and matching parts.

Designed for a perfect fit

These filters and sponges are formulated to work specifically with the PW04 model. The fit is snug, which helps prevent leaks and ensures the filtration media stay in place during daily use. This compatibility means you can replace components quickly and resume normal fountain operation with minimal downtime.

What you get in the box

• 16 replacement filters
• 16 sponges

Everything arrives ready to install, so you can refresh your fountain with a single refreshing update. The combination supports ongoing maintenance without needing extra parts or special tools.

Five-layer filtration system

Each filter uses a thoughtful five-layer setup designed to trap debris and improve flow. The layers include:

• Activated carbon to help reduce odors and improve water clarity
• Ion exchange resin to soften water and reduce mineral buildup
• Two layers of non-woven fabric to capture fine particles
• Silver ion ceramic balls to add a gentle antimicrobial touch as water circulates

Combined, these elements work to minimize blockages in the pump and keep the water moving smoothly through the fountain. The goal is to preserve a clean-looking water path and dependable operation, while avoiding guesswork about filtration quality.

How to use quickly

• Soak the filter for 5 minutes
• Rinse it for 30 seconds
• Place the filter into the fountain
• Insert the sponge into the pump

With these simple steps, you can have the fountain back in action in just a few minutes. The instructions are straightforward so you can perform routine changes without hassle.

Maintenance and replacement schedule

• Replace filters every 1 to 2 weeks for optimal performance
• Increase frequency if you have multiple pets or high-use fountains
• Store unused components in a cool, dry place to preserve quality

Regular changes help maintain a steady water flow and reduce the chance of debris building up in the system. This approach fits into typical pet care routines without complicating daily chores.

Why choose HOETEK

HOETEK focuses on compatibility, ease of use, and dependable filtration. The 16+16 pack offers a complete replacement set that aligns with the Oneisall PW04 fountain, supporting a simple, user-friendly upgrade path for busy households. The language here highlights potential benefits rather than guarantees, providing flexibility for different pet care scenarios.