Progreen's BAC-W465P203177 1 1/2" x 50' Water Discharge Hose measures 1.5" inside diameter with a 2.6" flat width. It fits 1.5" hose adaptors and 1" or smaller 40/80 PVC pipe. This Water Discharge Hose is easy to use with the included metal clamp for secure connections to pipes or filter outlets. The Progreen hose is versatile - use it in homes, factories, agriculture, and construction. It is ideal for draining pools, backwashing filters, sewage, sump, trash pumps, and more! The durable, leak-proof reinforced construction prevents leaks or bursts up to 90 psi working pressure. It withstands year-round conditions, making it a reliable hose. It is perfect for optimal storage with the flat hose that takes up less space.