The Hansgrohe FixFit Square wall connection fitting with check valve in matte black offers a secure and stylish solution for connecting shower hoses to existing wall water connections. This square wall connection model features a durable matte black surface that coordinates with angular mixers and shower systems, creating a cohesive modern bathroom design when paired with matching matte black shower hoses and shower heads. The fitting includes a reliable check valve that prevents used water from flowing back into the drinking water supply – particularly important for bathing applications where the handheld shower may be submerged. Installation is straightforward thanks to the G 1/2 connection thread, with the plastic mounting plate securely attached to existing wall water connections. The square rosette design complements contemporary bathroom architecture, providing both functional safety and visual appeal. All components are made from high-quality materials to ensure durability and long-term reliability in home plumbing installations. The product includes the complete wall connection unit with installation instructions.