The AQ-5200+R Water Filter Cartridges are high-quality water filter cartridges designed for the Aquasana AQ-5200-R and AQ-C2-R models. Made of durable plastic, these cartridges use a carbon/charcoal filtration method to remove chlorine taste and odor, providing clean and refreshing water for your household. With two filtration stages, these cartridges effectively remove contaminants to ensure that your water is safe and delicious to drink. The set includes two cartridges, making it convenient for you to replace your old ones and maintain the performance of your water filter system.