The SURVIVOR FILTER PRO Portable Water Filter Pump is the best of its kind on the market today. With a filtration level to an unbelievable 0.01 microns, the highest level available on the market today for any kind of portable water filter. Proven 0.01 micron protection against tested virus, bacteria, parasites, while reducing most heavy metals and improving water taste. Tested at Multiple USA labs to show: Log 5 Removal 99.999% of Protozoa (Cryptosporidium, Giardia and Parasites) Log 5 Removal 99.999% of tested Virus (Phi X-174), Staph and Bacteria 99.5% Mercury and 93% Lead Removal which matches or exceeds most home systems Overview Stage 1: Ultra Filter Pre-Filter First, contaminated water passes through the 0.1 Micron Pre-Filter that acts like a barrier to help remove algae, giardia, e.coli, protozoa and cryptosporidium. The Pre-Filter can be back washed and reused up to 100,000 liters. Stage 2: Carbon Filter Then the water moves through the Carbon Filter - located inside the device, the Carbon Filter is designed to help reduce heavy metals, chemicals and pollutants by absorbing the contaminants. The Carbon Filter can be reused up to 2,000 liters. Stage 3: Internal Ultra Filter Finally, water passes the final Internal Ultra Filter. Independent tests have shown that the 0.01 Micron Ultra Filter can filter out 99.999% of tested virus and staph. The Ultra Filter can be easily back washed and reused up to 100,000 liters. Specifications: Product SKU#: L610D Replacement Filter SKU#: Pre-Filter: L610-PF Carbon Filter: L610-CF Ultra Filter: L610-UF Hoses and Pre-Filter Kit: L610-UPK Capacity: Pre-Filter: up to 100,000 liters (26, 417 gallons) Carbon Filter: up to 2,000 liters (528 gallons) Ultra Filter: up to 100,000 liters ( 26, 417 gallons) Flow Rate: 500ml per minute (1 7 ounces/minute) Size: 3.2 x 2 x 6.5" Weight: 12.8 oz Components: Survivor Filter PRO Pump 1x Ultra Filter Pre-Filter 1x Carbon Filter 1x Internal Ultra Filter 1x Inlet Silicone Hose, 7/32" ID x 3.25-ft 1x Outlet Silicone Hose, 7/32" ID x 1-ft 1x Hose Clip 1x Carrying Case 1x Back-washing Syringe, 1/4" ID 1x User Manual Useful How-to Videos Backwashing Your Survivor Filter PRO Assembling and Disassembling the Survivor Filter PRO Survivor Filter Pro Review Videos