Application: For connecting up to two appliances. For washing machine sifons and other odour traps. Features: two connection angles to devices such as washing machines, dishwashers, dryers, boilers, air conditioners, heat recovery etc. Material: polypropylene Matrix G 1″ for connection to siphon plug serves as a bezel of the connection angle if not in use. Box contents: connection angle 17-23 mm/piece, connection angle 8-16 mm/piece connection angle seal connection angle 2 pieces plug 1 piece check valve 2 pieces