The 3P Filter Collector is the class-leading solution, chosen by professionals for tanks of all sizes. Filtering & diverting rainwater for the best possible tank water quality, this is not just a diverter. Easy to maintain. The Filter Collector is suitable for roofs of up to 90m² & fits round downpipes from 68mm to 110mm, & square downpipes from 65mm to 75mm. The Filter Collector offers huge filtered water outlet diameters of 32mm & 50mm. The Filter Collector is suitable for push-fitting into Water Butts supplied with Rubber Grommets. This watertight seal enables the Filter Collector to also act as the overflow point when the tank is full.