Amazinpure AP-Raindrop 12 packs of Amazing quality charcoal filters. <BR> Compatible with the following models<BR> #6024 Pioneer Raindrop Plastic fountain<BR> #3040 serenity water fountain<BR> #3004 Fung Shui Plastic Fountain<BR> Pioneer #6029 #6028 #6005 #6031 water fountains<BR> Platinum, Big Dog, Multi-Tier, Outdoor Dog, Mini, Everflow and Zen Pet Fountains<BR> Harmony automatic plastic waterslide Pawslife Zen Pet Tear drop water fountains<BR> For pet's health consideration to purify the water with premium charcoal and make the water taste better to encourage cat to drink more water and stay healthy. Typically, when cat doesn't drink sufficient water may cause health problems. <BR> Amazinpure filter is designed to be more efficient and durable with premium charcoal filters. <BR> <BR> This is the non-original aftermarket parts. Pioneer and any other brand mentioned in this page is a registered trademark of the original manufacturer. This product is high quality aftermarket filter produced by Amazinpure. Any use of the above brand name mentioned or model designation for this product is made solely for purposes of demonstrating compatibility and this product is not endorsed by or directly affiliated with these brands.