... degree corner etc PVC water spouting, rain gutter,eave drop system for roof rain collection, gutter size 4"X5", downspot 3 ... "X3", high strength, long life We are rain drainage system is to guide the rain and melting snow from the ... positive corner,30 degree frontal bending,75 degree frontal bending,fixed hasp,fixed direct connection and so on.1.Highly civilized look ...