Key Features

• [Compatibility] ONLY Compatible with PETLIBRO 50oz/1.5L Pet Water Fountain. If any doubt, please check product dimensions.
• [Compatible Pet Filter] Diameter is about 2 inch at the base. Height is 1 inch.
• [Premium Quality Filters] Quadruple Filtration System: Composed of a plastic layer, Cotton Layer, Pre-Filter Sponge and Activated carbon. Effectively to filter hair, heavy metals, keeps water fresh and improve the taste of the water.
• [Frequency Of Replacement] To prevent the activated carbon dust from shedding into water, please soak the fountain filter in water for 5 minutes then rinse thoroughly under running water before using. 1 to 2 weeks in summer and 2 to 4 weeks in winter. If multiple cats are using the fountain, more frequent replacement will be necessary.
• [Premium 8 Pack Pet Fountain Filters] 8-pack of premium pet fountain replacement filters and 4 Pack of pre-filter sponges. Enough supply for 3 to 12 months of use. Replace the pre-filter sponge every 4-6 weeks.

Specifications