shunshui Drainage guide device. Elbow for square rainwater pipe, elbow for round pipe. Roof drainage pipe fittings with 90-degree right-angle transfer(Please consult customer service for pricing)

shunshui Drainage guide device. Elbow for square rainwater pipe, elbow for round pipe. Roof drainage pipe fittings with 90-degree right-angle transfer(Please consult customer service for pricing)