Pet parents, listen up! If you have a Lesotc stainless steel water fountain for your dog, these replacement filters are exactly what you need to keep the water fresh and clean. This 4-pack gives you enough filters to last about two months since you should be changing them every couple weeks for optimal performance. The 7-layer vertical filtration system is pretty impressive - it uses high-density activated carbon and ion exchange resin to remove hair, heavy metals, and other impurities from your pet's drinking water. What's cool is that it also increases oxygen content in the water, making it more appealing for your furry friend to drink. Since dry food makes up about 90% of most pets' diets, having clean, fresh water available is super important for their health and hydration. Using these filters helps encourage your dog to drink more water, which is great for their kidney health and overall wellbeing. They're compatible with several Lesotc fountain models including D2341, D2419, D2322, D2223, and D2340. Quick tip: before installing, soak the filter in water for about 2 minutes and rinse it under running water to activate it properly. The package includes just the filters (4 total), not the fountain itself - you can search for the compatible fountains separately if needed. Seriously, if you want to provide the best drinking water for your pet and extend the life of your fountain, these quality replacement filters are a must-have. Your furry friend will thank you with better hydration and health!