Best house water filters use a drain

http://www.wholehousewaterfilternow.com Why do the best house water filters need a drain? People often ask when we are talking about installing a whole house water filtration system why the unit needs a drain. The reason is the best house water filters are designed to automatically clean themselves on weekly basis. This is an exceptional feature and it is critical that any whole house water filter system you are considering contains this feature. Read more at the wholehousewaterfilternow.com