The Pressurised Water Filter (VA-WS) is ideally suited to be connected to a continuous water supply such as untreated water supplied from a reticulated water system from a reservoir, or pumped directly from the river or stream into a tank, or sourced from Rainwater Collection tanks off roofs at schools, clinics or at houses. The WS is filled with water and is under pressure. The flow through the filter is regulated by the outlet valve. Flows of up to 15,0 l/min can be maintained.