What is the hose made out of, metal or plastic?

Hello Customer, Thank you for your question! I would be more than happy to assist today. Our faucets and or products are made of several materials. Unfortunately, the composition of our parts is considered to be proprietary information. But in general, the faucet or product may contain Bronze, Brass, Zinc, Stainless Steel, Copper, PEX-C, Silicone, Synthetic rubber - EDPM, Santoprene, Vinyl, Nylon, and Plastics. Quality is very important to us and our products undergo rigorous testing to ensure high-quality performance. Non-metallic products are beneficial in that they do not rust or corrode and help prevent heat transfer. Non-metallic products are beneficial in that they do not rust or corrode and help prevent heat transfer. We also have a Lifetime Limited Warranty on all parts and finish. Please contact us back for any further questions. Best Regards, Kayla