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 (approximately 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. Frequency of Replacement - Replace carbon filters every 2 to 4 weeks to maintain water freshness, depending on the number and size of pets using the fountain. Recommendations - 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 in tap water, making it more appealing to cats. Quantity: 12 Set, 16 Set, or 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 / 16 Pet Water Fountain Filters, 16 Blue Sponge Foam Filters, 16 White Sponge Foam Filters / 8 Pet Water Fountain Filters, 8 Blue Sponge Foam Filters, 8 White Sponge Foam Filters. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is 1-3 cm.