Stainless steel Faucet 1. Solid stainless 304 of the whole body of the faucet2. Stainless steel 304 hoses3. Spain Sedal/ Taiwan KCG cartridge which are guarantee 500,000 times4. Silicon rings (food safe)5. Finished with passivation and no electroplatedTwo aerators, the big one is for daily use water, the small one isfor direct drinking water.