Key Features

• Compatible with Samrtoo 152oz/4.5L Wireless Stainless Steel Cat Water Fountain PTM-643.
• In the Box: Package includes 12 packs of replacement filters and 12 packs of replacement pre-filter sponges.
• 5-Layer Filtration System: 1.Activated carbon removes bad taste and odor 2.Ion exchange resin could soften the tap water 3.Medical stone removes heavy metals and releases trace elements 4.Non-woven fabric could filter hair and impurities 5.The high-density sponge of pump helps remove fine particles. 5.The high-density sponge of pump helps remove fine particles.
• For Optimal Use: Soak the filter for 5 minutes and rinse for 30 seconds before use. To maintain the filtering effect, recommended to replace the filters every 1-2 weeks. If you have multiple pets, it is recommended to clean the fountain and change the filter more often.
• NOTE: For your pet's health and fountain's safety, please purchase the official filters from Samrtoo on Amazon.

Specifications