Survival Still Non-Electric Stainless Steel Portable Water Distiller You can distill and purify water from any source including pond, river, pool, swamp, stagnant and even ocean salt water The Survival Still is designed to be used in conjunction with standard cooking pots that you have in your home Each Survival Still is fully warranted to the original owner against defects in materials and workmanship for the lifetime of the product The Survival Still is made with heavy duty, 304 grade, 18 gauge stainless steel Tests indicate a distilled water flow rate of approximately 1/2 gallon an hour