Cat Water Fountain Replacement Filters for PETLIBRO PLWF105/PLWF115 Compatibility: Only compatible with PETLIBRO Dockstream Cat Water Fountain models PLWF105, PLWF115, and PLWF005. Please verify your model and product dimensions if uncertain. Easy to Install and Clean: These replacement filters are simple to remove and replace, saving time during maintenance. Soak the filter and sponge in water for at least 3 minutes before first use to activate optimal filtration performance, then rinse thoroughly under running water. Helps maintain fresher water for longer periods. Healthy Filter Ingredients: Triple-layer filtration system includes activated carbon, ion exchange resin, and non-woven fabric. Effectively reduces impurities such as pet hair, chlorine, and heavy metals while improving water taste and quality. Provides clean, fresh water to support pet health and hydration. Premium 12-Pack Replacement Kit: Includes 12 high-quality replacement filters and 10 pre-filter sponges, sealed for freshness and long-term storage. Designed to last 3 to 12 months depending on usage. Replace the pre-filter sponge every 2–4 weeks for best results. Filter Sponge & Pump Sponge: High-density pre-filter sponge captures fine debris to enhance overall filtration. Pump sponge helps protect the internal pump by trapping particles, contributing to extended pump performance and longevity. Product Benefits: Reduces impurities, improves water taste, supports pet hydration Color: As shown in photo Material: Cotton (non-woven fabric) Package Contents: 12 x Replacement Filters 12 x Pre-Filter Sponges Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and screen settings may cause slight color variations between the image and the actual product. Measurement may vary by up to 1–3 cm due to manual handling.