4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA 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.<br> Great Package - Bulk pack of 16 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.<br> 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.<br> 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).<br> 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.<br> Improved Taste: filters reduce the taste and odor of chlorine found in tap water, which can make the water more appealing to cats.<br> Quantity:16 Set<br> Colour:As Shown<br> Material:non-woven fabric<br> Package Contents:<br> 16 * Pet Water Fountain Filters<br> 16 * Blue Sponges Foam Filters<br> 16 * White Sponges Foam Filters<br> Only the above package content, other products are not included.<br> 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.