The AO SMITH Claryum Filter Replacement AO-US-100-R is a high-quality water filter specifically designed for use with AO SMITH water filtration systems. This filter is compatible with the AO SMITH AO-US-100-R model, ensuring a perfect fit and reliable filtration performance. Made by the trusted brand AO SMITH, this water filter is designed to keep your water clean and safe for consumption, making it an essential component for your kitchen or home filtration system.