... water treatment 2.Standard:ASTM B265,AMS4911,AMS49 Titanium Anode for Swimming Pool ChlorinatorMaterialGr1 Titanium as substrate, Ruthenium-Iridium oxide ... or paper as inside, plywood or carton case as outside,or according to client's demand Quality Guarantee: ( ... , abundant experiences and skilled workers, during the production of Titanium Anode, each process must be strictly supervised and tested, ...