The Quick-Change Inline KDF/Carbon Filter Fitts CU-A4 is a high-quality water filter designed to reduce lead contamination. It is lightweight at 1.1 lb and compact with dimensions of 2.5 x 10 x 2.5 inches. This filter is compatible with iSpring CU-A4 models and offers a 30-day money back guarantee for added peace of mind. With a filtration method of KDF and a micron/pore size of 5, this filter effectively purifies water for a clean and safe drinking experience. Perfect for home use, this filter is easy to install and maintain, making it a convenient solution for improving your tap water quality.Condition is new .C#9B