Universal screwed gutter drain

Universal screwed gutter drain I use this solution in structures such as Terrace Roofs Or Carport.It is a way to provide drainage in any location.The model has dimensions of 75mm and an external flange of 90mmWe drill a 75mm hole and insert our drain with sealing glue then screw on the nut from underneath with feeling.The gutter drain was prepared to fit inside the 80mm gutter downpipePreviously I bought such a solution from another company but the dimensions were not right for me and unfortunat