• Compatible With: These replacement filters and sponges are for Smartoo 7L / 236oz / 1.8gal stainless steel dog water fountain; not original accessories, but they have the same function; the package includes 12 packs of filters and 12 packs of sponges
• Efficient Filtration: Activated carbon removes odors; ion exchange resin softens tap water; nonwoven can filter hair and debris; high-density sponge helps remove fine particles
• Provides Clean Water: Made of safe, odorless materials, the filter transforms tap water into pure drinking water for pets; Protect pets' drinking water health by providing high-quality water
• How to Use: The filter must be completely soaked before placing in the water dispenser; please soak the filter in other clean bowls for at least 5 minutes
• Regular Replacement: Carbon filters need to be replaced every 1-2 weeks; when the temperature is hot, to avoid breeding mosquitoes, please replace it once a week; pre-filter sponge should be replaced every two months