Duravit Circle 1x Single-Lever Basin Mixer AirPlus: Full and pleasantly soft water flow thanks to air mixing in the aerator. One handle. Easy installation: The faucet connects to existing water connections via flexible connection hoses. Energy-saving FreshStart function: In the middle position, only cold water flows initially. Hot water is mixed in only when the handle is consciously moved to the left, reducing hot water consumption. Suitable for single-hole faucets. Compatible with instantaneous water heaters. Connection hose size: 3/8 inch. Sustainable and hygienic: Smooth and durable ceramic cartridge. Without pop-up waste set. Please order the waste valve separately. Easy-care and durable chrome surface. Stand-mounted. FreshStart: In the middle position, only cold water flows initially. Hot water is mixed in only when the handle is consciously moved to the left.