Compared with the football device, clay device has excellent brushed nickel bathroom faucets faucets sealing efficiency, and can be used more than 300,000 times, especially for brought in clay chip physical efficiency is more stable, extended lifestyle, normal use in more than 10 years. Low-end items to use copper, rubberized seals, the world's short, but has low prices.Single-handle faucet turned on and off in an instant, stress will rise rapidly, if the birdwatcher content of the product is not high, can not hold up against water stress of expansion, it is easily damaged, so single-handle Copper Faucets faucet is in use, to gradually enter and exit down. Double-handle faucet stress range, stress is gradually released, so there is no problem.