Typical rainwater collection filters require cleaning after virtually every rain event and may allow insect, leaf, and debris particles into your water supply. WISY products provide a low maintenance solution. Combining the four components shown above along with UV treatment; provides clean, clear, fresh water for all your household needs. An additional important feature outlined in the diagram is the concept of “dry system”. The dry system allows all collection pipes and filters to drain and dry out between events, greatly reducing maintenance requirements.