VEVOR Sparkling Water Maker, Soda Maker Machine for Home Carbonating, Seltzer Water Starter Kit with BPA-free 1L PET Bottle, 2 CO2 Cylinders, Compatible with Mainstream Screw-in 60L CO2 Cylinder
There is no metal that the water can touch, only the nozzle and the water bottle. The nozzle is made of POM and the water bottle is made of PET, both of which are food grade.