4.5 x 20" 50/5 Micron Sediment Filter

50/5 Micron True Multi-Stage Depth Filtration Made with FDA CFR 21  100% Pure Polypropylene Utilizing 4 Separate Layers of Micron Filtration 50 Micron outside catches larger particles resulting in much lower pressure drops. Much Higher Dirt and Sediment holding Capacity  NSF Certified  Filter Performance varies by water quality    WARNING: Do not use with water that is microbiologically unsafe or of unknown quality  without adequate disinfection before or after the system.