PreppersWarehouse is the best source if you are looking for an emergency water filter, emergency water purifier and emergency drinking water storage. Some of our emergency water purifiers are the same purifiers and survival water filters used by FEMA personnel during large disasters. They are known for their reliability, durability, and exceptional ability to filter and purify emergency water. If you are looking for the best emergency water filter to add to your survival supplies, you have come to the right place. Good, clean drinking water will be the first thing in short supply after any major emergency situation. Do not delay any longer and add emergency water filters, water purification tablets, and a place for clean emergency water storage to your survival supply.