Elbow 45°, CE certified product in according with EN 1856-1, is a system in Polished Stainless Steel for removal of the combustion products from condensation boilers, Kitchen and solid (Pellet - Wood) and liquid fuell . Produced in 80-130-150-180-200-250-300-350-400 mm diameters. This new system, composed of circular modular elements, resists both positive pressure (200 Pa - P1) and negative pressure (40 Pa depression). The OLIflex D.P. Inox 25 system is used principally for both the discharge of the products of combustion from domestic and industial boilers, wood and pellet stoes and fireplaces. D.P. Inox 25 is resistant to the soot fire (G) and the maximun operating temperature is T 600° and the product must guarantee a perfect seal against acidic condensation (corrosion class V2) in dry and wet conditions.