A. Excellent Surface Finish - Our matte black sink handles have a matte black surface that is resistant to scratches, corrosion and discoloration, ensuring quality and durability. Our black bathroom grab bars are touch screen-resistant, and the water handles already clean the bathroom. We are sure you will love the sleek and modern design of the black sink on your bathroom countertop and tall sink. Whether you are brushing your teeth or washing your face, this black sink faucet gives you a good feeling. B. Premium Water Supply Hose - Nylon braided supply hose, rust-proof, antibacterial, anti-fouling, easy to rest, with precision filter, filters dirty water, clean water, reduces water noise, can be easily watered up to 30% of the water, where it is economical and environmentally friendly. The ceramic valve cartridge is quiet and well calibrated, if tested for corrosion resistance. The kit has excellent sealing properties and ensures long-term trouble-free and trouble-free use. C. Easy to install: Use standard 3/8" water pipes and install them step by step according to the recommended instructions (English (language not guaranteed), if you have any problems, please contact us for an electronic solution and we will provide a solution within 24 hours.