Dosatron Etatron eOne Hi-Flo Micro-Doser Kit - 1.5 InchUltimate Delivery with the Etatron eOne Micro Doser Systsem The Etatron eOne MF Micro Doser Kit with water meter and pressure relief valve, can accurately inject super concentrated products, and can be integrated into an existing fertigation system. This kit can work in combination with a Dosatron Water Powered Nutrient Delivery System, or as a stand alone solution, to provide the ultimate in reliability and functionality in one system The Etatron