Today only, this Alexapure Pro Water Filtration System drops from $197 to $99.99 at Woot. Shipping is free for this deal. This is the best price online by $35. This water filtration system can hold up to 5,000 gallons. It is stainless steel and gravity powered. It removes up to 99.9999 percent of contaminants. Sales tax is not charged in most states.