INVISIBLE DOORS is a full-service company for the production - sale - installation of concealed doors! Founded in 2014, INVISIBLE DOORS today is a manufacturer of flush doors of all types and configurations. https://invisible-doors.ru  When collaborating with designers, INVISIBLE-DOORS provides up to 25% bonus on the first order! PROMO CODE: 3DDD-INVISIBLEDOORS Flush-mounted door under painting in aluminium frame with external and internal opening. The model is available in sizes: 900x2100; 900x2400; 900x2700 The model is easily editable to fit the required size.