For collecting rainwater from terraces and roofs of medium and large buildings, in siphonic regime. 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 seals for sealing, roof mounting flange, anti-vortex plate with a special profile that eliminates inlet turbulence, UV-stabilized PP leaf strainer and connector with diameter 40 – 110 mm, stainless steel locking element. Includes stainless steel nuts and bolts required for installation. Compliance: ASME A112.6.9, EN 1253.