Description Replace the DI resin in your RODI system when we no longer read zero TDS coming out of your system. ME DI resin will also work in any RO/DI system with a 10×2 refillable filter shell. • Virgin Resin • Color-Indicating • Made in the USA for Qulaity • 18 Mega Ohm Resistivity • Nuclear Grade • Color Change goes from Dark Blue and exhausts to a Rust color. • Strong Acid Strong Base Resin
