![Evolution-RO ChloraShield](http://worldoforganicsandhydroponics.com/cdn/shop/products/HGC728772-01_{width}x.jpg?v=1663800603)
The Evolution-RO1000 KDF/Catalytic Carbon pre-filter is the standard carbon pre-filter included with system. For chlorine and chloramines reduction for city water. Also reduces iron, hydrogen sulfide and heavy metals in well water. Replace every 2,000 of product water