The ProOne Traveler+ Drip Gravity Filtration System is made from 304 stainless for long lasting durability and includes a stainless 304 spigot and non-slip pad. The G2.0 filter is independent lab tested to NSF standards 42, 53, P231, for microplastics,1,4 Dioxane, Microcystin, emerging contaminants, PFOAS (GenX), TTHM’s, bacteria, Fluoride, Lead, Parasites and more.