China Hose Clamp Gi with Smooth Tail Hose Fitting with Safety Clamps En 14420/DIN 2817 Thread Connector En 14420-5 DIN Quick Release Hose Coupling, Find details about China Industrial Hose Clamp, DIN2817 from Hose Clamp Gi with Smooth Tail Hose Fitting with Safety Clamps En 14420/DIN 2817 Thread Connector En 14420-5 DIN Quick Release Hose Coupling