Aquasana's Pre-Filter, Post-Filter and Assembly Kit bundle delivers high-performance protection and convenience for your whole house water filtration system. As the first line of defense in your home filtration setup, the 20" pre-filter captures dirt, rust, sediment, and silt before they reach your main filter, helping to extend the life and performance of your whole house system. The Pre-Filter lasts for up to 2 months. The Post-Filter reduces any remaining sediment and organic particles ad lasts for up to 6 months. Engineered for simple, tool-free replacement, Aquasana pre-filter and post-filters feature a twist-off design that allows for quick, hassle-free maintenance—no plumber required. The included assembly kit has everything needed to install on 3/4" or 1" main water lines, including high-quality Schedule 80 PVC components ad tank connections. (PEX tubing is not included.) Also includes an integrated drain valve for easy flushing and a shut-off valve for easy filter changes. Perfect for quick, mess-free maintenance. Together, this bundle offers trusted performance and easy maintenance for cleaner, great-tasting water from every tap in your home.