Universal 60/100 mm horizontal terminal for condensing boilers, complete and ready for use. The kit includes a coaxial pipe with an external diameter of 100 mm for flue gas discharge and an internal pipe of 60 mm for air intake, already equipped with a windproof terminal. A concentric elbow, internal and external rosettes, fixing clamp, screws, gaskets, and assembly instructions are included to ensure quick and safe installation.