Winnow™ VaCUUM incorporates Winnows' proven rotating vacuum screen cleaning technology and is supplied with a manually rotated suction head cleaning mechanism. the manually operated system requires no electric power, is reliable and simple to use. Filtration flow is uninterrupted during a cleaning cycle. the triple layer screen element is available with a range of filtration ratings between 25 and 810μm. Pressure gauges are fitted as standard and indicate when service is required. Stainless steel construction ensures a long service life.