Designed for the siphonic drainage of rainwater from medium and large terraces and roofs of buildings. Material: The body is made of cast aluminum alloy, protected with a special resin that provides high weather resistance. Equipped with two EPDM O-ring gaskets for sealing, a roof mounting flange, an anti-vortex plate with a special profile that eliminates inlet turbulence, a UV-stabilized PP leaf guard, and a connector with a diameter of 40 – 110 mm, made of stainless steel. Includes stainless steel nuts and bolts required for installation. Compliance: ASME A112.6.9, EN 1253.