Precision Design & Manufacturing, of Westlock, Alberta, Canada, is a manufacturer of stainless steel appliances for the purification of water by the distillation process. The first distiller was manufactured in 1977. The current product line includes six home distiller models, which can produce up to 12 gallons of pure water per day; two commercial distillers that produce up to 50 gallons per day, and a variety of bottle rinsers, water dispensers and coolers intended for the commercial water market.