Advanced Coconut Carbon Filtration: Utilizing premium coconut activated carbon technology, our filters achieve up to 97.2% chlorine reduction. They effectively reduce sediments, rust, and unwanted tastes and odors, enhancing your drinking water's quality and safety. Note: These filters do not reduce Total Dissolved Solids (TDS). Extended Filter Life: Designed for optimal performance and superior water quality for up to three months per filter. Replacement frequency may vary based on water conditions, ensuring consistently clean and refreshing water. Enhanced Water Flow: Our high-efficiency filter design provides a fast water flow rate, allowing quick access to clean water without compromising filtration quality. Broad Compatibility: Designed to fit PUR Classic, Advanced, and Horizontal Faucet Mount systems, including models PFM100B, PFM450S, and others. These filters are compatible with PUR RF-9999, ensuring reliable performance. Color: As shown. Material: Plastic. Package Contents: 2 x RF9999 Replacement Water Filters. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3 cm.