Perfect Match - Charcoal water fountain filters compatible with Aookupett, LEXVSS cat water dispenser, and other pet water fountains that use the same size. Great Package - Bulk pack of 12, 16, or 8 cat water fountain filters for your pet water fountain. Dimensions: 4.4 x 1.69 x 0.35 inches (approx. 11.2 x 4.3 x 0.9 cm). Large packaging meets your replacement needs. Premium Quality - Each pet fountain filter is composed of activated carbon, ion exchange resin, and non-woven fabric. These filters help remove pet hair, heavy metals, and improve water taste. Frequent Replacement - Replace carbon filters every 2 to 4 weeks to maintain water freshness, depending on the number and size of pets using the fountain. Recommendation - To minimize activated carbon dust from entering the water (not harmful to pets), soak the filter in water for 2 minutes and rinse thoroughly under running water before use. Improved Taste - Filters help reduce chlorine taste and odor from tap water, making it more appealing to cats. Quantity: 12 Set / 16 Set / 8 Set Color: As shown Material: Non-woven fabric Package Contents: 12 Pet Water Fountain Filters, 12 Blue Sponge Foam Filters, 12 White Sponge Foam Filters OR 16 Pet Water Fountain Filters, 16 Blue Sponge Foam Filters, 16 White Sponge Foam Filters OR 8 Pet Water Fountain Filters, 8 Blue Sponge Foam Filters, 8 White Sponge Foam Filters Package includes only the items listed above; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is 1-3 cm.