Aquasana Sediment Pre-Filter 5 Micron AQ-4050PHD Add to any water line or water filter with 1/4" quick-connect fittings Helps to extend filter life and prevent clogging in high-sediment areas Filters any dust, dirt, rust, particles, sediment, or silt over 5 microns Can be used as a stand-alone sediment filter or before a carbon or RO filter Includes housing, easy open tool, 1/4" tubing, and pre-filter element