Key Features

• 【Perfect Compatibility & Year-Long Supply】Designed exclusively for Oneisall PW04 3.5L Cordless Cat Water Fountain. Includes 18 filters+18 Pre-Filter Pump Sponges - a full year’s supply - so you can maintain clean water effortlessly and save on frequent repurchases.
• 【Eliminates Odors& Improves Water Taste】 Features high-density cotton, activated carbon, and ion exchange resin to effectively remove pet hair, dust, heavy metals, and odors. Provides fresh, clean, and great-tasting water to encourage your cats and dogs to drink more water.
• 【Easy to Use & Regular Replacement Reminder】Soak each filter for 5 minutes and rinse for 30 seconds before first use to prevent carbon dust. For optimal performance, replace every 2–4 weeks (more often with multiple pets).
• 【Promote Pet Health & Encourage Drinking】Our filters purify every drop of water, removing impurities and improving taste. Helps prevent urinary and kidney issues by encouraging cats to drink more water throughout the day.
• 【Trusted Quality & Eco-Friendly Materials】Made with food-grade, pet-safe materials. Each filter is rigorously tested for effectiveness and durability. Backed by a 100% satisfaction and responsive customer support.

Specifications