Perfect Match - The charcoal water fountain filters compatible with for Aookupett, compatible with for LEXVSS cat water dispenser and other pet water fountain that use the same size. Great Package - Bulk pack of 12 or 16 or 8 cat water fountain filters for your Pet Water Fountain. 4.4Inch x 1.69Inch x 0.35Inch (approx. 11.2x4.3x0.9cm). Large packaging meets your replacement needs. Premium Quality - Each pet fountain filter is composed of activated carbon, ion exchange resin and non-woven fabric. They can filter hair, heavy metals and improve the taste of the water. Frequently Of Replacement - Replacement carbon filters should be changed approximately every 2 to 4 weeks to maintain water freshness. (depending on the size and number of pet using the fountain). Recommendations - To prevent the activated carbon dust (it not harm your pets) from shedding into the water, please soak the filter in water for 2 minutes and rinse it thoroughly under running water before use. Improved Taste: filters reduce the taste and odor of chlorine found in tap water, which can make the water more appealing to cats. Quantity:12 Set or 16 Set or 8 Set Colour:As Shown Material:non-woven fabric Package Contents: 12 Pet Water Fountain Filters 12 Blue Sponges Foam Filters 12 White Sponges Foam Filters or 16 Pet Water Fountain Filters 16 Blue Sponges Foam Filters 16 White Sponges Foam Filters or 8 Pet Water Fountain Filters 8 Blue Sponges Foam Filters 8 White Sponges Foam Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.