Growmax - Pro 3000 Reverse Osmosis Unit - 3 Stage UnitPlease note: This item is purchase to order. GrowMax 3000 Reverse Osmosis Unit 125L hr Product Details GrowMax 3000 is a high quality reverse osmosis system manufactured by GrowMax Water capable of producing up to 125 litres per hour of pure water. Eliminates up to 95% of all of salts and heavy metals, 99% of chlorine and sediments down to 5 microns. Use with Super Grow 800L hr as a pre filter for optimal results. GrowMax 3000 reverse osmosis unit is