Dimensions: 4 inches round by 4 inch tall. We use this same Silver Impregnated Filter Element in our Family Emergency Water Filter System Visit our other products:  Long Term Food Storage Kits, Personal Emergency Water Filters, Completed Water Filter Systems

100% Giardia Lamblia 100% Cyclospora 100% removal of live Cryptosporidium (WRc Standard) 100% removal of Cryptosporidium 100% removal of E. Coli, Vibrio Cholerae 99.999% removal of Salmonella Typhil,Shigella Dysenteria, Kiebsiella Terrigena 99% Arsenic 5 and 99% Arsenic 3 99% Hydrogen Sulfide 95% Chlorine and Chloramines 99% Taste 99% Odor 98% Aluminum 96% Iron 98% Lead 90% Pesticides

85% Herbicides 85% Insecticides 90% Rodenticides 85% Phenols 85% MTBE 85% Perchlorate 80% Trihalomethanes 95% Poly Aromatic Hydrocarbons 99.999% of particles larger than 0.5 micron 99.999 Anthrax 99.7% of particles larger than 0.3 micron (Staffordshire University Labs) 98% of particles larger than 0.2 micron (Staffordshire University Labs)