Hydra Rainmaster Trio Kit For Non Potable Rainwater 90m Mesh 25m Polywound 10m Carbon Block FiltersA Hydra Rainmaster Trio Self Cleaning Filter with 1 BSP Plastic inlet outlet with 90 micron stainless steel mesh filter moulded to two 10 Std housings containing 25 micron depth sediment cartridge and a 10 micron eco friendly carbon block filter cartridge. Specially Designed for sediment filtration on non potable rain water supplies. Flow rates up to 91lpm, however note that lower flows = lower pressure loss and better ability of the carbon to deal